Bruce Boxleitner Commander John Sheridan Actor Claudia Christian 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 Peter Jurasik Londo Mollari Actor Andreas Katsulas Ambassador G'Kar Actor Erica Gimpel Guest Star Patricia Tallman Guest Star Jennifer Balgobin Guest Star Robin Sachs Guest Star Douglas Netter Executive Producer J. Michael Straczynski Executive Producer Kevin G. Cremin Director