Clark Gable

Character: Philip Sutherland

Gene Tierney

Character: Marya Lamarkina

Richard Haydn

Character: Christopher Wellington St. John Denny

Bernard Miles

Character: Joe Brooks

Anna Valentina

Character: Svetlana Mikhailovna

Kenneth More

Character: Steve Quillan

Belita

Character: Valentina Alexandrovna

Karl Stepanek

Character: Commissar

Theodore Bikel

Character: Lieutenant

Frederick Valk

Character: Kuragin

Peter Illing

Character: N.K.V.D. Man

Robert Henderson

Character: U.S. Ambassador

Stanley Maxted

Character: John Barnes

Meinhart Maur

Character: Lemkov

Alexis Chesnakov

Character: General Zhdanov

Anton Diffring

Character: Hotel Desk Clerk (uncredited)

Martin Benson

Character: Toasting Russian Officer (uncredited)

Anton Dolin

Character: Marya's Partner (uncredited)

Richard Marner

Character: Toasting Russian Officer (uncredited)

Arthur Mullard

Character: Russian Policeman (uncredited)

Jim Brady

Character: Guard at Bolshoi Theatre (uncredited)

Christopher Rhodes

Character: Plainclothes Police Officer at Airport (uncredited)