Madeleine Carroll

Elsa Carrington

John Gielgud

Richard Ashenden / Edgar Brodie

Peter Lorre

The General

Robert Young

Robert Marvin

Percy Marmont

Caypor

Charles Carson

"R"

Lilli Palmer

Lilli

Sebastian Cabot

Man (uncredited)

Tom Helmore

Colonel Anderson (uncredited)

Howard Marion-Crawford

Karl (uncredited)

Rène Ray

Maid (uncredited)

Michael Redgrave

Army Officer (uncredited)

Michael Rennie

Army Captain (uncredited)