Eddie Albert

Maj. MacMahon

Paul Massie

Gene Summers

Lillian Gish

Mrs. Summers

James Robertson Justice

Naval Commander

Leslie French

Lafitte

Irene Worth

Léonie

John Crawford

Kimball

Lionel Jeffries

Interrogator

Nicholas Phipps

Lecturer Lieutenant

Sandra Dorne

Blonde with German Officer

Jacques Brunius

Cmndt. Morand

Robert Henderson

Col. Snyder

Miki Iveria

Louise

Lillie Bea Gifford

Mauricette

Anne Blake

Mme. Lafitte

Sam Kydd

Flight Sgt. Flint

Ann Walford

F.A.N.Y.

Denyse Alexander

Pat

Philip Bond

Nils (uncredited)

Selma Vaz Dias

Patronne (uncredited)

Édouard Francomme

House Painter (uncredited)

Jim Gérald

François (uncredited)

William E. Greene

Mitchell (uncredited)

Geoffrey Hibbert

RAF Sergeant (uncredited)

George Holdcroft

Trainee Agent at Lecture (uncredited)

Barry Johns

Trainee Agent at Lecture (uncredited)

Michael Kelly

Pilot (uncredited)

Peter La Trobe

Louis (uncredited)

Andreas Malandrinos

(uncredited)

Launce Maraschal

Gen. Nolan (uncredited)

Ralph Nossek

Psychiatrist (uncredited)

Henzie Raeburn

Madame Godinot (uncredited)

Boris Ranevsky

Old German Officer (uncredited)

Bernard Rebel

Bearded Client (uncredited)

Fritz Wendhausen

German Officer (uncredited)