Director/a
Edgar G. Ulmer
DIRECTOR/A
Reparto (por orden de créditos)
Robert Clarke
Maj. William Allison
Darlene Tompkins
Princess Trirene
Arianne Ulmer
Capt. Markova
Vladimir Sokoloff
The Supreme
Stephen Bekassy
Gen. Karl Kruse
John Van Dreelen
Dr. Bourman
Boyd 'Red' Morgan
Captain
Ken Knox
Col. Marty Martin
Don Flournoy
Mutant
Tom Ravick
Neil Fletcher
Air Force Chief
Jack Herman
Dr. Richman
William Shephard
Gen. York
James 'Ike' Altgens
Secretary Lloyd Patterson
John Loughney
Gen. Lamont
Russ Marker
Col. Curtis
Arthur C. Pierce
Mutant Escaping from Jailuncredited
Malcolm Thompson
Guarduncredited