Franchot Tone as Robert Stevens

John Carroll as Ovide de Montigny

Walter Brennan as Captain Jonathan Thorne

Carol Bruce as Julie Morgan

Nigel Bruce as Duncan MacDougall

Paul Hurst as Second Mate Mumford

Frank Conroy as First Mate Fox

Leo G. Carroll as Angus 'Sandy' McKay

Abner Biberman as Lamazie

Sig Ruman as John Jacob Astor

Morris Ankrum as Roussel

Louis Mercier as Marcel La Fantasie

Philip Charbert as Franchere, Seaman

Ignacio Sáenz as Matouna, Indian Boy

Ray Beltram as Chief Nakoomis

Charles Judels as Cafe Propietor

Ernie Alexander as Clerk

Conrad Binyon as Boy

Sidney Bracey as Clerk

Iron Eyes Cody as Hostile Indian

James Dime as Seaman

Franklyn Farnum as Bit Role

Dickie Humphreys as Boy

Roger Imhof as John Jacob Astor (replaced by Sig Ruman)

George Magrill as Seaman

Jay Silverheels as Indian Marauder

Dale Van Sickel as Seaman

Voyt Williams Jr. as Boy

Chief Yowlachie as Chief One-Eye Comcomly