Bruce Boxleitner Commander John Sheridan Actor Jerry Doyle Security Chief Michael Garibaldi Actor Mira Furlan Delenn Actor Richard Biggs Dr. Stephen Franklin Actor Bill Mumy Lennier Actor Tracy Scoggins Capt. Elizabeth Lochley Actor Stephen Furst Vir Cotto Actor Jeff Conaway Zack Allan Actor Patricia Tallman Lyta Alexander Actor Peter Jurasik Londo Mollari Actor Andreas Katsulas Ambassador G'Kar Actor Joshua Cox Guest Star Anthony Crivello Guest Star Robin Atkin Downes Guest Star Trevor Eyster Guest Star Douglas Netter Executive Producer J. Michael Straczynski Executive Producer