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 Dominar Rygel XVI (voice only) Actor Damian de Montemas Lieutenant Melkor Guest Star Jodie Dry Kyona Guest Star Geoff Barker PK Commando No. 3 Guest Star Chenoeh Miller PK Commando No. 4 Guest Star Tai Scrivener PK Commando No. 5 Guest Star Kate Kendall Sergeant Guest Star Brian Henson Executive Producer, Director Kris Noble Executive Producer Rockne S. O'Bannon Executive Producer Robert A. Halmi Executive Producer Matthew Carroll Producer Ro Hume Writer