Edward G. Robinson as 'Wolf' Larsen

Ida Lupino as Ruth Webster

John Garfield as George Leach

Alexander Knox as Humphrey Van Weyden

Gene Lockhart as Dr. Prescott

Barry Fitzgerald as Cooky

Stanley Ridges as Johnson

David Bruce as Young Sailor

Francis McDonald as Svenson

Howard Da Silva as Harrison

Frank Lackteen as Smoke

Ernie Adams as

Cliff Clark as

Richard Cramer as

William Gould as

Ralf Harolde as

Oscar 'Dutch' Hendrian as

Ethan Laidlaw as

Wilfred Lucas as

George Magrill as

Louis Mason as

Frank Mills as

Charles Sullivan as