J. Edward Bromberg

Arnold DeBrock

Osa Massen

Valeria DeBrock

William Wright

Christopher Waring

Margaret Tallichet

Joan Millard

Abner Biberman

Carlos Castillo-Martinez

Martin Kosleck

Grebb, Henchman

Charles D. Brown

Capt. Jonathan Hunt

Ivan Miller

Capt. Brigham

Roland Varno

Ship's Doctor

Sam Ash

Policeman

Edward Biby

Ship's Passenger

Roy Darmour

Steward

Robert Frazer

Detective

Dwight Frye

Radio Operator

Selmer Jackson

Adm. Curtiss

John H. Auer