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John Hodiak
Manuel Cortez

Sylvia Sidney
Cecily Harrington

Ann Richards
Mavis Wilson

John Howard
Nigel Lawrence

Isobel Elsom
Auntie Loo-Loo Gerard

Ernest Cossart
Billings

Philip Tonge
Dr. Gribble

Anita Sharp-Bolster
Ethel

Frederick Worlock
Inspector Hobday