Margaret Lockwood

Frances Gray

Dane Clark

Bill Casey

Marius Goring

Commandant Anton Razinski

Naunton Wayne

Mr. Hedgerley

Wilfrid Hyde-White

Mr. Luke

Eugene Deckers

Alf

Olaf Pooley

Detective-Interrogator

Gladys Henson

Attendant

Paul Hardtmuth

Priest

Michael Hordern

Lab Director Owens