Cast
- J. Edward Bromberg as Arnold DeBrock
- Osa Massen as Valeria DeBrock
- William Wright as Christopher Waring
- Margaret Tallichet as Joan Millard
- Abner Biberman as Carlos Castillo-Martinez
- Martin Kosleck as Grebb, Henchman
- Charles D. Brown as Capt. Jonathan Hunt
- Ivan Miller as Capt. Brigham
- Roland Varno as Ship's Doctor
- Sam Ash as Policeman
Crew
- John H. Auer · Director
- Lawrence Kimble · Writer
- Malcolm Stuart Boylan · Writer
- George Worthing Yates · Writer
- Julian Zimet · Writer
- John Alton · Cinematographer
- Howard O'Neill · Editor
- Murray Seldeen · Editor