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 Wayne Pygram as Drummer Virginia Hey as Dr. Jane Komenski Lani John Tupu as Officer Gordon Anthony Simcoe as Gary Ragell Jonathan Hardy as Douglas Logan Thomas Holesgrove as Grath the Scarran