Bruce Boxleitner Commander John Sheridan Actor Jerry Doyle Security Chief Michael Garibaldi Actor Claudia Christian Lt. Cmdr. Susan Ivanova Actor Mira Furlan Delenn Actor Richard Biggs Dr. Stephen Franklin Actor Andrea Thompson Talia Winters Actor Stephen Furst Vir Cotto Actor Bill Mumy Lennier Actor Robert Rusler Warren Keffer Actor Mary Kay Adams Na'Toth Actor Andreas Katsulas Ambassador G'Kar Actor Peter Jurasik Londo Mollari Actor Robin Sachs Guest Star Anne-Marie Johnson Guest Star Kim Zimmer Guest Star William Forward Guest Star Diane Adair Guest Star Jeff Conaway Guest Star David L. Crowley Guest Star Sean Sullivan Guest Star Douglas Netter Executive Producer Jim Johnston Director Janet Greek Director Michael Vejar Director Mario DiLeo Director John C. Flinn III Director Kevin G. Cremin Director Stephen L. Posey Director Menachem Binetski Director J. Michael Straczynski Writer, Executive Producer Lawrence G. DiTillio Writer Peter David Writer D.C. Fontana Writer Scott Frost Writer Jesús Salvador Treviño Director John Copeland Producer David J. Eagle Director