- Gregory Peck
- Capt. Jonathan Clark
- Ann Blyth
- Countess Marina Selanova
- Anthony Quinn
- Portugee
- John McIntire
- Deacon Greathouse
- Carl Esmond
- Prince Semyon
- Andrea King
- Mamie
- Eugenie Leontovich
- Anna Selanova
- Hans Conried
- Eustace - Hotel Clerk
- Rhys Williams
- Eben Cleggett
- Sig Ruman
- General Ivan Vorashilov
- Gregory Gaye
- Colonel Paul Shushaldin
- Bill Radovich
- Ogeechuk
- Bryan Forbes
- William Cleggett
- Henry Kulky
- Peter, Russian Servant
- Carl Andre
- Seaman
- Roman Arnoldoff
- Captain Feodor
- Suzan Ball
- (uncredited)
- Gregg Barton
- Seaman
- Frederic Berest
- Cossack Officer
- George Blagoi
- Minor Role
- Frank Chase
- Seaman
- Peter Chong
- Wung Lo
- Leo Curley
- Bartender
- William 'Wee Willie' Davis
- 'Shanghai' Kelley
- Carli Elinor
- Leader
- Richard Farmer
- Guest
- Lee Tong Foo
- Chinese Proprietor
- James Fowler
- Bellhop
- Diane Garrett
- Mamie's Girl
- Augie Gomez
- Minor Role
- Carl Harbaugh
- Seaman
- Chuck Hayward
- Guest
- Dave Kashner
- Whip Man
- Mike Lally
- Guest
- Syl Lamont
- José
- Louise
- Seal
- Gregg Martell
- Seaman
- June McCall
- Mamie's Girl
- Philo McCullough
- Guest
- John McKee
- Seaman
- Shepard Menken
- Officer
- Leo Mostovoy
- Nicholas
- Paul Newlan
- Tough Sailor
- Tudor Owen
- Old Sailor
- Arthur Page
- Minister
- Milicent Patrick
- Lena
- Hugh Prosser
- Mounted Cossack Officer
- Susan Randall
- Mamie's Girl
- Dick Rich
- Tough Sailor
- George Scanlan
- Seaman
- Phil Schumacher
- Carriage Driver
- Simon E. Viescas
- Malu
- Eve Whitney
- Lilly
