Cast
- Howard St. John as David Harding
- Amanda Blake as Karen Michelle
- Ron Randell as Simon Langton
- June Vincent as Barbara Taylor
- Fred F. Sears as Agent Peters
- John Dehner as Agent Bob Reynolds
- Lewis Martin as Dr. Victor Gilbert
- William Bailey as Assistant
- Robert Bice as Agent Fields
- Don Brodie as Jimmy
Crew
- Seymour Friedman · Director
- Harold Greene · Writer
- Phillips Lord · Writer
- Wallace MacDonald · Producer
- Philip Tannura · Cinematographer
- Aaron Stell · Editor