Ben Browder Cdr. John Crichton Actor Claudia Black Officer Aeryn Sun Actor Anthony Simcoe General Ka D' Argo Actor Virginia Hey Pa'u Zotoh Zhaan Actor John Eccleston Actor Sean Masterson Actor Lani John Tupu Capt. Bialar Crais, Pilot (voice only) Actor Jonathan Hardy Rygel (voice) Actor Darlene Vogel Alexandra , Lorana Guest Star Kate Raison Pa'u Tahleen Guest Star Max Phipps Pa'u Tuzak Guest Star Michael Beckley Hasko Guest Star Aaron Cash Pa'u Bitaal Guest Star Grant Magee Jothee Guest Star Robert Supple Young Crichton Guest Star Brian Henson Executive Producer Kris Noble Executive Producer Rockne S. O'Bannon Executive Producer Robert A. Halmi Executive Producer Matthew Carroll Producer Andrew Prowse Director David Kemper Writer Ro Hume Writer