This page is a list of main characters from all six series.
Star Trek: The Original Series
- William Shatner as James T. Kirk
- Leonard Nimoy as Spock
- DeForest Kelley as Leonard McCoy
- James Doohan as Montgomery Scott
- George Takei as Hikaru Sulu
- Walter Koenig as Pavel Chekov
- Nichelle Nichols as Uhura
Star Trek: The Animated Series
- William Shatner as James T. Kirk
- Leonard Nimoy as Spock
- DeForest Kelley as Leonard McCoy
- James Doohan as Montgomery Scott
- George Takei as Hikaru Sulu
- Nichelle Nichols as Uhura
- Majel Barrett as Christine Chapel
Star Trek: The Next Generation
- Patrick Stewart as Jean-Luc Picard
- Jonathan Frakes as William T. Riker
- Brent Spiner as Data
- LeVar Burton as Geordi La Forge
- Michael Dorn as Worf
- Gates McFadden as Beverly Crusher
- Marina Sirtis as Deanna Troi
- Denise Crosby as Natasha Yar
- Wil Wheaton as Wesley Crusher
- Diana Muldaur as Katherine Pulaski
Star Trek: Deep Space Nine
- Avery Brooks as Benjamin Sisko
- Nana Visitor as Kira Nerys
- Rene Auberjonois as Odo
- Michael Dorn as Worf
- Terry Farrell as Jadzia Dax
- Alexander Siddig as Julian Bashir
- Colm Meaney as Miles O'Brien
- Nicole de Boer as Ezri Dax
- Armin Shimerman as Quark
- Cirroc Lofton as Jake Sisko
Star Trek: Voyager
- Kate Mulgrew as Kathryn Janeway
- Robert Beltran as Chakotay
- Tim Russ as Tuvok
- Robert Duncan McNeill as Tom Paris
- Roxann Dawson as B'Elanna Torres
- Garrett Wang as Harry Kim
- Jeri Ryan as Seven of Nine
- Robert Picardo as The Doctor
- Ethan Phillips as Neelix
- Jennifer Lien as Kes
Star Trek: Enterprise
- Scott Bakula as Jonathan Archer
- Jolene Blalock as T'Pol
- Connor Trinneer as Charles Tucker III
- Dominic Keating as Malcolm Reed
- Anthony Montgomery as Travis Mayweather
- Linda Park as Hoshi Sato
- John Billingsley as Phlox
See also
- Star Trek birthdays
- Main character crossover appearances
- Cast members who directed
- Main character non-appearances
- Main characters by rank