Calificación
Reparto

Gene Barry
Michael A. Donovan

Joan Collins
Anne Langley

Richard Todd
Col. Victor Redmayne

Tom Adams
Peter Langley

Suzanna Leigh
Donetta

Michael Rennie
Goldsmith

Gretchen Franklin
Bus Conductress

Marius Goring
Shevik

Scott Forbes
Pannell

Colin Gordon
Kitteridge

Guy Deghy
Dr. Lundgren

John Welsh
Heiner

Robert Raglan
Fennimore

Derek Ware
Shevik's Henchman