(written from a Production point of view)
This is a list of performers who were considered for Star Trek: Voyager roles, but ultimately did not appear in the role in the final episode or film. Performers listed here have been verified as having been considered by Star Trek personnel for a particular role on Trek in which they ultimately did not appear.
|Performers considered for Star Trek roles|
|The Original Series • Films • The Next Generation • Deep Space Nine • Voyager • Enterprise • Discovery • Picard|
Production staff members considered to work on Star Trek
- Main article: Karen Austin
Karen Austin is an actress who was according to a January 1995 article by Daniel Howard Cerone of the LA Times one of three actresses who were considered for the role of Captain Kathryn Janeway in Star Trek: Voyager. According to Voyager co-creator and executive producer Jeri Taylor, Kate Mulgrew was finally chosen for the role because she "simply had an ineffable quality that put her ahead of the pack". Austin ultimately went on to play Miral, the mother of B'Elanna Torres, in the Voyager episode "Barge of the Dead" as well as Kalandra in the Star Trek: Deep Space Nine episode "Nor the Battle to the Strong".
- Main article: Brenda Bakke
- Main article: Kristin Bauer
Kristin Bauer was considered for the role of Seven of Nine.  She had previously appeared as a blonde fantasy woman in DS9: "If Wishes Were Horses", and later went on to play Lieutenant Laneth in ENT: "Divergence".
- Main article: Joanna Cassidy
Joanna Cassidy is an actress who was considered for the role of Captain Kathryn Janeway in Star Trek: Voyager, according to the TV Guide issue dated October 8-14, 1994. Cassidy went on to play T'Pol's mother, T'Les, in two fourth season episodes of Star Trek: Enterprise: "Home" and "Awakening".
- See: Claudia Christian
- Main article: Alicia Coppola
She was nominated for an Academy Award as Best Actress in a Supporting role for the 1984 drama Places in the Heart. Her other film credits have included All the President's Men (1976), Slap Shot (1977), The Verdict (1982), House of Games (1987), Desperate Hours (1990), Bye Bye Love (1995), The Juror (1996), The Insider (1999), and Mr. Brooks (2007). She is also known for her recurring role as Professor Maggie Walsh on the cult television series Buffy the Vampire Slayer.
Blythe Danner was considered for the role of Captain Janeway. (Science Fiction Television Series, 1990-2004: Histories, Casts and Credits for 58 Shows, p.291)
Blythe Danner is a two-time Prime-Time Emmy Award Winner and Tony Award winner. Danner is best known for her roles as Martha Jefferson in the film 1776 (1972), and as Dina Byrnes in Meet the Parents (2000) and its sequels Meet the Fockers (2004) and Little Fockers (2010). She has also appeared in the films The Great Santini (1979), Mr. and Mrs. Bridge (1990), The Prince of Tides (1991), Husbands and Wives (1992), and I'll See You in My Dreams (2015).
- See: Susan Diol
She is best known for her Academy Award-winning role as Helen Keller in 1962's The Miracle Worker, reprising her role from the original Broadway production. From 1963 through 1966 she was given her own sitcom series, The Patty Duke Show, co-starring William Schallert. She earned an Emmy Award nomination for her performance in this series. She has since won three Emmy Awards and has received an additional four Emmy nominations. She has also starred in such films as Valley of the Dolls (1967), Me, Natalie (1969), The Swarm (1978), Prelude to a Kiss (1992), and Bigger Than the Sky (2005), in addition to a respectable career in television and on the stage.
Duke passed away on 29 March 2016. 
- See: Chelsea Field
- Main article: Jennifer Gatti
Jennifer Gatti was a runner up for the role of Kes before it was won by Jennifer Lien. (Captains' Logs Supplemental - The Unauthorized Guide to the New Trek Voyages, p. 156) Gatti previously appeared as Ba'el in the Star Trek: The Next Generation episodes "Birthright, Part I" and "Birthright, Part II", and later played Libby, Harry Kim's girlfriend in the Voyager episode "Non Sequitur".
- Main article: Susan Gibney
Susan Gibney was an early favorite of Rick Berman for the role of Kathryn Janeway, and is best known for playing Dr. Leah Brahms in the Star Trek: The Next Generation episodes "Booby Trap" and "Galaxy's Child" and Benteen in the Star Trek: Deep Space Nine episodes "Homefront" and "Paradise Lost". She filmed test scenes in full uniform on the mostly completed bridge set with some of the main cast members who had already been hired. Even with makeup to give her an older appearance Paramount felt she was too young for the part. Berman tried a second time when he brought her back for another screen test after Geneviève Bujold didn't work out. But, she was rejected again by Paramount on the same grounds. (citation needed • edit) She also tested for Seven of Nine and the Borg Queen. (citation needed • edit)
- See: Gary Graham
Erin Gray has stated at science fiction convention appearances and in interviews that she read for the part of Janeway. (citation needed • edit) Gray is best known for her roles as Colonel Wilma Deering in the 1970s series Buck Rogers in the 25th Century, with Tim O'Connor and Michael Ansara. Mark Lenard and Frank Gorshin made a guest appearance on the series. She also starred as Kate Summers in the 1980s sitcom Silver Spoons. In 2009, she and her onetime co-star Gil Gerard participated in a test film for a James Cawley-produced reimagining of Buck Rogers.
She is best known for her Emmy Award- and Golden Globe-nominated role as Catherine Chandler opposite Ron Perlman on the television series Beauty and the Beast and for her role as Sarah Connor in the first two Terminator films. She also starred in such films as Children of the Corn (1984), Black Moon Rising (1986), King Kong Lives (1986), Mr. Destiny (1990), Silent Fall (1994), Separate Lives (1995), Dante's Peak (1997), Wholey Moses (2003), and The Kid & I (2005).
Nigel Havers is an English actor, who was a likely contender for a male version of Captain Janeway by the producers had Geneviève Bujold not expressed interest. (Star Trek: The Magazine Volume 1, Issue 1, p. 29)
She is best known for her Emmy- and Golden Globe-nominated role as Sabrina Duncan in the action television series Charlie's Angels. She later starred as Mrs. Amanda King on the CBS series Scarecrow & Mrs. King, earning another Golden Globe nomination. Her film credits include the 1989 comedy Loverboy with Kirstie Alley, Robert Picardo, and Vic Tayback.
- Main article: Dominic Keating
Dominic Keating auditioned for a guest role on Star Trek: Voyager but was never called back. Eighteen months later he auditioned for the regular part of Malcolm Reed on Star Trek: Enterprise and was cast. (ENT Season 1 DVD)
She has starred in such films as Absolute Beginners (1986), Lethal Weapon 2 (1989), Twenty-One (1991), Blame It On the Bellboy (1992), Angels and Insects (1995), and The One and Only (2002). She was also the lead singer of the 1980s British pop band Eighth Wonder. She more recently starred in the long-running British television series Emmerdale and is currently a regular on the popular medical drama Holby City.
Leick is best known for her performance as Callisto in the television series Xena, Warrior Princess (1996-2000) and The Legendary Journeys of Hercules (1997-1999). She has also performed in television series such as Law & Order, University Hospital, Melrose Place, Tru Calling, and CSI: Crime Scene Investigation and has played in films such as Knight Rider 2010 (1994), Hijacked: Flight 285 (1996, with David Graf), Denial (1998, with Jason Alexander), Chill Factor (1999, where she was doubled by Patricia Tallman), A.I. Assault (2006, starring several Star Trek performers such as George Takei, Michael Dorn, Robert Picardo, Bill Mumy, and Joe Lando), and the comedy One, Two, Many (2008, with Azalea Davila).
- Main article: Brian Markinson
Brian Markinson originally auditioned for the role of The Doctor, however the part went to Robert Picardo. He had previously played the role of Vorin in the Star Trek: The Next Generation episode "Homeward". He would subsequently appear on Voyager as Pete Durst in "Cathexis" and "Faces", as well as Sulan in the latter episode. He would also appear as Dr. Elias Giger in the Star Trek: Deep Space Nine episode "In the Cards".
Tania Metia is the listed name of actress Tania Mejia who was scheduled to appear as the female kissing crewmember in the Voyager second season episode "Elogium". According to the call sheet for the first day of filming on this episode, Wednesday 12 April 1995, Metia is listed as "Female Crewmember Scenes 2,3,4" with a call time at 5:45 am. However, this scene was finally filmed during second unit on Thursday 4 May 1995 and Metia was replaced by actress Lora Zuckerman. Gary O'Brien remained in his role.
According to her resume at ActorsAccess.com, Mejia was featured in this episode.
Born in Paterson, New Jersey, Mejia appeared in featured roles in episodes of Veronica Clare (1991, with Clifton Collins, Jr., Kaitlin Hopkins, Stephen Markle, and Lavelle Roby) and Soldiers of Fortune, Inc. (1998, with Melinda Clarke, Mark A. Sheppard, and Marshall Teague), the horror film Alligator II: The Mutation (1991, with Richard Lynch, Brock Peters, Elkanah J. Burns, Dorothy Ching-Davis, Linda Fetters, Evelyn Guerrero, Kane Hodder, Alan Marcus, and Gene LeBell), the comedy $40,000 (1996), and the thriller Deadlock: A Passion for Murder (1997, with Shauna O'Brien).
More recent acting work includes the television mini-series Struggles (2017), the short film Skin in the Game (2018), the drama Icarus (2018, with Charlie Newhart), the war drama Indivisible (2018), and episodes of Banshee (2015, with Panuvat Anthony Nanakornpanom), Homeland (2018), Queen of the South (2019, with David Andrews, Ted Barba, Perry Barndt, John Dixon, Tony Donno, and Allen Robinson), and Messiah (2020, with Melinda Page Hamilton and Barbara Eve Harris).
- Main article: Dina Meyer
Carrie Anne Moss
Moss is a Canadian actress, best known for her role as Trinity in the The Matrix film series (1999-2003).
A. Norwood is an actress who is listed on one of the original call sheets as appearing as farm folk in the pilot episode "Caretaker". She was up to film her scenes on Monday 3 October 1994 on Paramount Stage 16. On the revised call sheet, she was replaced by Eva Larson.
- Main article: Robert Picardo.
Robert Picardo originally auditioned for the role of Neelix, however the part went to Ethan Phillips. The producers saw potential in Picardo and invited him to read for the part of The Doctor, which he eventually got. 
Rivera had guest roles in television series such as Miami Vice (1989, with Robert Beltran and Sherman Howard), Law & Order (1993), Soldiers of Fortune, Inc. (1997, with Melinda Clarke and Mark A. Sheppard), Profiler (1999, with Timothy Carhart, Michelle C. Bonilla, Dennis Christopher, and Mark Rolston), Nash Bridges (2001), The X-Files (2002), NYPD Blue (2002), Monk (2003, with Tony Plana, Jorge Cervera, Jr., and Marcelo Tubert), Shark (2007, with Jeri Ryan), Prison Break (2008), and Rizzoli & Isles (2013, with Bruce McGill).
He also appeared in films including the comedy Suffering Bastards (1989), the romance It Could Happen to You (1994), the drama Basquiat (1996), the drama Desert Blue (1998), the crime drama The Salton Sea (2002), the sport drama Lords of Dogtown (2005), the thriller Disturbia (2007), and the drama Smashed (2012).
- Main article: Alan Scarfe
Alan Scarfe is an actor who was the first actor cast for the role of Kazon-Ogla First maje Jabin in the Star Trek: Voyager pilot episode "Caretaker". He filmed his scenes on Tuesday 13 September 1994 on Paramount Stage 9, representing the Kazon bridge set. The role was later re-cast with actor Gavan O'Herlihy who also re-filmed Scarfe's scenes.
Scarfe previously guest-starred as Admiral Mendak and Tokath on the Star Trek: The Next Generation episodes "Data's Day" and "Birthright, Part II" and later portrayed Augris in the Voyager second season episode "Resistance".
- Main article: Tracy Scoggins
Tracy Scoggins is the actress who was considered for the role of Captain Kathryn Janeway in Star Trek: Voyager, according to the TV Guide issue dated October 8-14, 1994. Later, she went on to play Gilora Rejal in the Star Trek: Deep Space Nine episode "Destiny". She went on to play another captain, Elizabeth Lochley, on the final season of the sci-fi series Babylon 5 as well as in two television movies and the spin-off series Crusade. She is also well known for her role as Cat Grant during the first season of Lois & Clark: The New Adventures of Superman.
Helen Shaver is an award-winning actress and director. According to a January 1995 article by Daniel Howard Cerone of the LA Times, Shaver was among the three final actresses considered for the role of Captain Kathryn Janeway on Star Trek: Voyager.
She starred in the 1985 romantic drama Desert Hearts, co-starring TNG actress Denise Crosby, and had supporting roles in films such as The Amityville Horror (1979), The Color of Money (1986), and The Craft (1996). She also starred in the series Poltergeist: The Legacy. In addition, she has directed several episodes of the 1990s version of The Outer Limits and the 2001-05 series Judging Amy, which she also produced. Other shows she directed include The O.C., The 4400, Close to Home, Medium, and The Unit.
- Main article: Beth Toussaint
- Main article: Kate Vernon
Wagner is best known for her Emmy Award-winning role as Jaime Sommers in the 1970s television series The Bionic Woman. She also received two Golden Globe nominations for the role, which she originated on The Six Million Dollar Man. Her other credits include the films The Paper Chase (1973), Two People (1974, directed by Robert Wise), Nighthawks (1981), and Ricochet (1991) and appearances on such television shows as Marcus Welby, M.D., The Fall Guy, and Alfred Hitchcock Presents. She was once married to stuntman Henry Kingi, Sr. and was thus the stepmother of Henry Kingi, Jr.