Ben Browder Cdr. John Crichton Actor Claudia Black Officer Aeryn Sun Actor Anthony Simcoe General Ka D' Argo Actor John Eccleston Actor Sean Masterson Actor Lani John Tupu Pilot (voice) Actor Gigi Edgley Chiana Actor Wayne Pygram Scorpius Actor Raelee Hill Sikozu Actor Melissa Jaffer Noranti Actor Jonathan Hardy Rygel (voice) Actor Barry Otto Dr. Tumii Guest Star David Field Ho'Ock Guest Star Kelly Butler Selva Guest Star Susan Prior Kiryah Guest Star Brian Henson Executive Producer Kris Noble Executive Producer Rockne S. O'Bannon Executive Producer Robert A. Halmi Executive Producer Matthew Carroll Producer Ian Watson Director Emily Skopov Writer