Name	Known for
Bruce Boxleitner Capt. John Sheridan Capt. John Sheridan See fewer	Babylon 5 (1993)
Claudia Christian Cmdr. Susan Ivanova Cmdr. Susan Ivanova See fewer	Babylon 5 (1993)
Jerry Doyle Michael Garibaldi Michael Garibaldi See fewer	Babylon 5 (1993)
Mira Furlan Delenn Delenn See fewer	Babylon 5 (1993)
Richard Biggs Dr. Stephen Franklin Dr. Stephen Franklin See fewer	Babylon 5 (1993)
Andrea Thompson Talia Winters Talia Winters See fewer	NYPD Blue (1993)
Stephen Furst Vir Cotto Vir Cotto See fewer	National Lampoon's Animal House (1978)
Bill Mumy Lennier Lennier See fewer	Babylon 5 (1993)
Robert Rusler Lt. Warren Keffer Lt. Warren Keffer See fewer	Weird Science (1985)
Mary Kay Adams Na'Toth (credit only) Na'Toth (credit only) See fewer	Guiding Light (1952)
Andreas Katsulas G'Kar (credit only) G'Kar (credit only) See fewer	Babylon 5 (1993)
Peter Jurasik Londo Mollari Londo Mollari See fewer	Babylon 5 (1993)
Julie Caitlin Brown Guinevere Corey Guinevere Corey See fewer	Babylon 5 (1993)
Jeff Conaway Zack Allan Zack Allan See fewer	Grease (1978)
Sean Sullivan Ashan (as Sean Gregory Sullivan) Ashan (as Sean Gregory Sullivan) See fewer	Back to the Future Part III (1990)
Neil Bradley Minbari #3 Minbari #3 See fewer	Babylon 5 (1993)
Ardwight Chamberlain Kosh (voice) Kosh (voice) See fewer	Babylon 5 (1993)
Jonathan Chapman Minbari #2 Minbari #2 See fewer	Babylon 5 (1993)
Vince Duvall Centauri Envoy (as Vincent Duvall) Centauri Envoy (as Vincent Duvall) See fewer	Yellowstone (2018)
Eliott Harold Human Customer Human Customer See fewer	Babylon 5 (1993)
Mark Hendrickson Human / Alien Customer Human / Alien Customer See fewer	Babylon 5 (1993)
Ossie Mair Store Owner Store Owner See fewer	Seinfeld (1989)
Michael McKenzie Alien Customer Alien Customer See fewer	House of Cards (2013)
Bill Blair Alien (uncredited) Alien (uncredited) See fewer	Argo (2012)