Calificación
Reparto

Claude Rains
Professor Benson

Bill Carter
Cmdr. Robert Cole

Maya Brent
Eve Barnett

Umberto Orsini
Dr. Fred Steele

Jacqueline Derval
Mrs. Collins

Carol Danell
Cathy Cole

John Stacy
Dr. Cornfield

Jim Dolen
Boyd

Carlo D'Angelo
General Varreck

Massimo Righi
Lewis Boyd

Joe Pollini
Pat

John Karlsen
Supervising Commissioner

Renzo Palmer
Barrington

Aldo D'Ambrosio
United Commission Member

Giuliano Gemma
Moran