Daniel Bosch
Bob
Robert Marius
Lee
Luciano Pigozzi
Dr. Geoffrey
Charles Napier
Colonel Kovacks
Roberto Dell'Acqua
Guard (uncredited)
David Brass
Head Technician (uncredited)
Kenneth Peerless
Chopper Pilot (uncredited)
Michael Welborn
Security Officer (uncredited)
Albert Bronski
Security Officer Carlos (uncredited)
Donald Wilson
Technician (uncredited)
Frank Wannack
Guard (uncredited)
Curtis Carter
Boat Crew (uncredited)
Jeff Griffith
Security Officer Griffith
Philip Gordon
Security Guard killed by Snake (uncredited)