Andrea King
Mamie

Eugenie Leontovich
Anna Selanova

Bill Radovitch
Ogeechuk

Rhys Williams
Eben Cleggett

Hans Conried
Eustace

Bryan Forbes
William Cleggett

Eve Whitney
Lilly

Chuck Hayward
Guest (uncredited)

Henry Kulky
Peter, Russian Servant

Gregory Gaye
Colonel Paul Shushaldin