Guest Stars Wayne Pygram as Scorpius Lani John Tupu as Bialar Crais Kent McCord as Jack Crichton Murray Bartlett as Douglas 'D.K.' Knox Carmen Duncan as Leslie Crichton Claudia Black as Dr. Batina Fairchild Gigi Edgley as Jessica Virginia Hey as Dr. Jane Komenski Anthony Simcoe as Gary Ragell Lani John Tupu as Officer Gordon Jonathan Hardy as Douglas Logan Wayne Pygram as Drummer Thomas Holesgrove as Grath the Scarran