Diretor/a
Dennis Muren
DIRETOR/A
Mark Thomas McGee
Elenco (na ordem dos créditos)
Edward Connell
David Fielding
Barbara Hewitt
Susan Turner
Frank Bonner
Jim Hudson
Robin Christopher
Vicki
Fritz Leiber Jr.
Dr. Arthur Waterman
Louis Clayton
Old man in cave
James Phillips
Reporter Sloan
Patrick Burke
Doctor Branson
Sharon Gray
Nurse
Jim Duron
Green Giant