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
Carl M. Leviness
— Ship's Passenger
John 'Skins' Miller
— Flop-House Night Clerk
Jack Mylong-Münz
— Von Eltzen
William Newell
— Second Steward
Hugh Prosser
— Ship's Purser
Tim Ryan
— First Mate