Gregory Peck

Captain Jonathan Clark

Ann Blyth

Countess Marina Selanova

Anthony Quinn

Portugee

John McIntire

Deacon Greathouse

Carl Esmond

Prince Semyon

Sig Ruman

General Ivan Vorashilov

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

Carl Andre

Seaman

Roman Arnoldoff

Captain Feodor

Suzan Ball

Uncredited

Gregg Barton

Seaman

June McCall

Mamie's Girl

Milicent Patrick

Lena

Susan Randall

Mamie's Girl

Dick Rich

Tough Sailor

Hugh Prosser

Mounted Cossack Officer

Tudor Owen

Old Sailor