Calificación
Reparto

Gene Barry
Jonathan Clark

Valerie French
Eve Wingate

Jiří Voskovec
Prof. Klaus Bechner

Azemat Janti
Ivan Godofsky

Stefan Schnabel
The Soviet General

Friedrich von Ledebur
Dr. Karl Neuhaus

Ralph Clanton
Mr Ingram

Arnold Moss
The Alien

Monty Ash
Soviet Prison Physician

Theo Marcuse
Soviet Col. Gregor

Paul Birch
Admiral

Paul Frees
Radio Newscaster Ward Mason

Marie Tsien
Su Tan

Charles Bennett
Gorki

John Bleifer
Spokesman

Irvin Ashkenazy
2nd Man