The Prison

James Laurenson

Alain Poitaud

James Maxwell

Roland Blanchet

Ann Curthoys

Jacqueline Poitaud

Kenneth Griffith

Julien Bour

George Murcell

Maître Rabut

André Morell

André Fage

Philip Madoc

Supt. Roumagne

Peter Sallis

Benitet

Joyce Heron

Mme. Poitaud

Jon Laurimore

Boris Maleski

Mary Quinn

Mme. Martin

Diane Keen

Mina

Anita Finch

Secretary

Nancy Nevinson

Mme. Jeanne

Heather Barbour

Bessie

John Scholes

Insp. Noble

Norman Henry

Oscar Poitaud

Nina Francis

Adrienne

Hal Jeayes

Usher

Johnny Shannon

Desk Sergeant

David Wickes

Director

Geoffrey Gilbert

Screenplay