Bruce Boxleitner Commander John Sheridan Actor Claudia Christian Capt. Susan Ivanova Actor Jerry Doyle Security Chief Michael Garibaldi Actor Mira Furlan Delenn Actor Richard Biggs Dr. Stephen Franklin Actor Bill Mumy Lennier Actor Jason Carter Marcus Cole Actor Stephen Furst Vir Cotto Actor Jeff Conaway Zack Allan Actor Patricia Tallman Lyta Alexander Actor Andreas Katsulas Ambassador G'Kar Actor Peter Jurasik Londo Mollari Actor Joey Dente Guest Star Denise Gentile Guest Star Rance Howard Guest Star Beata Pozniak President Susanna Luchenko Guest Star Douglas Netter Executive Producer J. Michael Straczynski Executive Producer