Calificación
Reparto

Maxwell Reed
Frank Smith

Elizabeth Allan
Dr. Phillipa Roberts

Patrick Barr
Dr. Geoffrey Allen

Russell Napier
Insp. Durham

Vanda Godsell
Mae Smith

Neil Hallett
Det. Supt. John Harris

Gibb McLaughlin
Spencer Simon

Edwin Richfield
Henry Arthur Ryan

Mark Bellamy
Louie

Bill Nagy
Charlie

Anthony Valentine
Tony

Marianne Stone
Hospital Technician (uncredited)