Ken Jackman (5 July 1940 – 3 September 2020; age 80) was an actor who appeared as an alien townsperson in the Star Trek: Voyager first season episode "Time and Again" for which he filmed his scenes on Wednesday 9 November 1994 on Paramount Stage 16. He received no credit for this appearance but is listed on the call sheet. In the third season, he appeared as an Enaran civilian in the episode "Remember" for which he filmed his scenes on Thursday 25 July 1996 and Friday 26 July 1996 on Paramount Stage 16.
Jackman worked as background actor on MacGyver, appeared as a court guard in several episodes of the television series Civil Wars (1991-1992, with Ray Buktenica, Thomas Knickerbocker, Cassandra Byram, Paul Sandman, Ken Thorley, Barry Lynch, Aaron Lustig, Robert Ellenstein, Richard Fancy, Doug Warhit, John Cothran, Jr., Robin Gammell, John Vickery, Juliana Donald, Anne Haney, Max Grodénchik, Ronny Cox, D.C. Douglas, Jennifer Hetrick, Leigh Taylor-Young, Clyde Kusatsu, Mitchell Ryan, Louis Giambalvo, Camille Saviola, Keone Young, Susanna Thompson, Barbara Bosson, Jack Blessing, Renata Scott, Thomas Belgrey, Stephen Root, Adrian Sparks, Richard McGonagle, and Booth Colman), as a gym goer in the Cybill episode "Sex, Drugs and Catholicism" (1996, with Andray Johnson, Irving Ross, and Tom Gianelli), as a gala attendee in the Columbo episode "Ashes to Ashes" (1998, with Richard Riehle, Spencer Garrett, Richard Libertini, Sally Kellerman, Ted Rooney, and David Doty), as a hospital employee in the action sequel Lethal Weapon 4 (1998, with Jack Kehler, Richard Riehle, Phil Chong, Jeff Imada, Simon Rhee, James Lew, Stephen Blackehart, Greg Bronson, Al Goto, Gilley Grey, and Richard Libertini), as an empire manager in the Clubhouse pilot episode (2004, with Christopher Lloyd), and as a Champion Club patron and Grand Cayman bank client in the comedy Fun with Dick and Jane (2005, with Ivar Brogger, Clint Howard, Jason Marsden, Scott L. Schwartz, Kerry Hoyt, Steve Kehela, Bob Morrisey, Mark Correy, Andray Johnson, Pasha Lychnikoff, Tyson Weihe, Al Ahlf, Katie Rowe, Jimmy Ortega, Beth Persky, Joyce Lasley, Macarena Bianchi, Justin Sundquist, Jack Nolan, Janet Dey, Robert Buckingham, Bruce Dobos, Terry Green, Michael Wilkinson, Scott Hill, and Michael Wajacs).
In 2006 he filmed a commercial at Dodgers Stadium alongside Bruce Dobos.