Clifton Webb as Richard Ward Sturges

Barbara Stanwyck as Julia Sturges

Robert Wagner as Gifford "Giff" Rogers

Audrey Dalton as Annette Sturges

Thelma Ritter as Maude Young

Brian Aherne as Capt. Edward John Smith

Richard Basehart as George S. Headley

Allyn Joslyn as Earl Meeker

James Todd as Sandy Comstock

Frances Bergen as Madeleine Astor

William Johnstone as John Jacob Astor

Mae Marsh as Woman to Whom Norman Gave His Seat (uncredited)

Frank McLure as Lifeboat Survivor (uncredited)

Bert Stevens as Passenger (uncredited)

Michael Rennie as End Narrator (Voice)

Hamilton Camp as Messenger Boy (uncredited)

Harper Carter as Norman Sturges (uncredited)

Helen Van Tuyl as Ida Strauss

Harry Cording as Boiler Room Engineer (uncredited)

David Hoffman as Ship's Tailor (uncredited)

Owen McGiveney as Steward (uncredited)

James O'Hara as Devlin - Lookout (uncredited)

Edmund Purdom as Second Officer Lightoller (uncredited)

Cosmo Sardo as Steward (uncredited)

Marta Mitrovich as Mrs. Jean Uzcadum (uncredited)

Anthony Eustrel as Sanderson - White Star Representative (uncredited)

Merry Anders as College Girl (uncredited)

Rudy Germane as Seaman (uncredited)

Philo McCullough as Passenger (uncredited)

Hans Moebus as Passenger (uncredited)

Alberto Morin as Waiter (uncredited)

Loretta Russell as Passenger (uncredited)

Chalky Williams as Passenger (uncredited)

Herschel Graham as Passenger (uncredited)

Sam Harris as Passenger (uncredited)