Characters played by Clark Gable
Philip Sutherland
Characters played by Gene Tierney
Marya Lamarkina
Characters played by Bernard Miles
Joe Brooks
Characters played by Richard Haydn
Christopher Wellington St. John Denny
Characters played by Belita
Valentina Alexandrovna
Characters played by Kenneth More
Steve Quillan
Characters played by Karel Stepanek
Commissar
Characters played by Theodore Bikel
Lieutenant
Characters played by Anna Valentina
Svetlana Mikhailovna
Characters played by Frederick Valk
Kuragin
Characters played by Peter Illing
N.K.V.D. Man
Characters played by Robert Henderson
U.S. Ambassador
Characters played by Stanley Maxted
John Barnes
Characters played by Meinhart Maur
Lemkov
Characters played by Alexis Chesnakov
General Zhdanov
Characters played by Iosif Stalin
Self
Characters played by Martin Benson
Toasting Russian Officer
Characters played by Anton Diffring
Hotel Desk Clerk
Characters played by Anton Dolin
Marya's Partner
Characters played by Richard Marner
Toasting Russian Officer
Characters played by Arthur Mullard
Russian Policeman
Characters played by Jim O'Brady
Guard at Bolshoi Theatre
Characters played by Christopher Rhodes
Plainclothes Police Officer at Airport
Characters played by Russell Westwood
Russian Driver