Richard Dix

Capt. Will Stone

Russell Wade

Third Officer Tom Merriam

Edith Barrett

Ellen Roberts

Ben Bard

First Officer Bowns

Edmund Glover

Jacob 'Sparks' Winslow, Radioman

Sir Lancelot

Billy Radd

Lawrence Tierney

Seaman Louie Parker

Dewey Robinson

Boats

Skelton Knaggs

Paolo 'Finn' Lindstrom, the Mute

Paul Marion

Peter, the Greek

Robert Bice

Raphael, the Steward

Alec Craig

Blind Beggar

Shirley O'Hara

Ellen's Sister

Herb Vigran

Chief Engineer

Eddie Borden

Crewman

Cliff Edwards

Unnamed Officer

Mike Lally

Crewman

Nolan Leary

Stenographer

Robert R. Stephenson

German Sailor