David Bradley as Jack Ryan

Morgan Hunter as Jesse Starkraven / Spartacus

Jill Pierce as Liz McDowell

Victor Melleney as Sam Pickens

Douglas Bristow as Dr. Owens

Dale Cutts as Captain Salerno

Adrian Waldron as Jon Travis

Hector Rabotabi as Mike Alvarez

Kimberleigh Stark as Gloria Alvarez

Michael McGovern as Warden Chuck Hunter

David C. Webb as Eddie Richards

Frank Notaro as Stix

Norman Coombes as Mayor Spencer Davis

Tony Caprari as Hippy Mechanic

Ken Gampu as Police Chief

Ted Le Plat as ATG Driver

Robin Smith as Fats

Stephen Leader as Jacks Ward

Thys Du Plooy as Manager

Isaac Mavimbela as Carter

Arthur Berezin as Cyborg