Arnold DeBrock
J. Edward Bromberg
Valeria DeBrock
Osa Massen
Ship's Passenger
Edward Biby
Steward
Roy Darmour
Detective
Robert Frazer
Radio Operator
Dwight Frye
Adm. Curtiss
Selmer Jackson
Carl M. Leviness
Flop-House Night Clerk
John "Skins" Miller
Von Eltzen
John Mylong
Second Steward
William Newell
Ship's Purser
Hugh Prosser
Christopher Waring
William Wright
First Mate
Tim Ryan
Joan Millard
Margaret Tallichet
Carlos Castillo-Martinez
Abner Biberman
Grebb, Henchman
Martin Kosleck
Capt. Jonathan Hunt
Charles D. Brown
Capt. Brigham
Ivan Miller
Ship's Doctor
Roland Varno
Policeman
Sam Ash
Director
John H. Auer
Director of Photography
John Alton
Screenplay
Malcolm Stuart Boylan
Lawrence Kimble