Clark Gable

Philip Sutherland

Gene Tierney

Marya Lamarkina

Richard Haydn

Christopher Wellington St. John Denny

Bernard Miles

Joe Brooks

Kenneth More

Steve Quillan

Belita

Valentina Alexandrovna

Karl Stepanek

Commissar

Theodore Bikel

Lieutenant

Frederick Valk

Kuragin

Peter Illing

N.K.V.D. Man

Robert Henderson

U.S. Ambassador

Stanley Maxted

John Barnes

Anton Diffring

Hotel Desk Clerk (uncredited)

Martin Benson

Toasting Russian Officer (uncredited)

Richard Marner

Toasting Russian Officer (uncredited)

Arthur Mullard

Russian Policeman (uncredited)

Jim Brady

Guard at Bolshoi Theatre (uncredited)

Christopher Rhodes

Plainclothes Police Officer at Airport (uncredited)