James Mason

Ulysses Diello

Acting

Danielle Darrieux

Condesa Anna Staviska

Acting

Michael Rennie

Colin Travers

Acting

Walter Hampden

Sir Frederic Taylor

Acting

Oskar Karlweis

L. C. Moyzisch

Acting

Herbert Berghof

Col. von Richter

Acting

John Wengraf

Count Franz Von Papen

Acting

Ben Astar

Siebert

Acting

Roger Plowden

Keith Macfadden

Acting

Diane Adrian

Singer on French Record (voice)

Acting

Patrick Whyte

Code Clerk

Acting

Hanna Axmann-Rezzori

Acting

David Bauer

Acting

Lawrence Dobkin

Acting

Martín Garralaga

Acting

Lumsden Hare

Acting

Richard Loo

Acting

Lester Matthews

Acting

Keith McConnell

Acting

Frank McLure

Acting

Charles Meakin

Acting

Alberto Morin

Acting

Nestor Paiva

Acting

Michael Pate

Acting

Konstantin Shayne

Acting

Ivan Triesault

Acting

Otto Waldis

Acting

Alfred Zeisler

Directing

Stuart Hall

British Military Attaché (uncredited)

Acting