 Peter LorreMr. Kentaro Moto | Mr. Kentaro Moto |
 Ricardo CortezFabian | Fabian |
 Virginia FieldConnie Porter | Connie Porter |
 John CarradineDanforth / Richard Burke | Danforth / Richard Burke |
 George SandersEric Norvel | Eric Norvel |
 Joan CarrollMary Delacour | Mary Delacour |
 Robert CooteRollo Venables | Rollo Venables |
 Margaret IrvingMadame Delacour | Madame Delacour |
 Leyland HodgsonCaptain Bert Hawkins | Captain Bert Hawkins |
 John DavidsonHakim | Hakim |
 Carol AdamsMinor Role (uncredited) | Minor Role (uncredited) |
 Jimmy AubreyWaiter (uncredited) | Waiter (uncredited) |
 Ted BillingsBarfly (uncredited) | Barfly (uncredited) |
| AA.R. BogardHoist Man (uncredited) | Hoist Man (uncredited) |
| DDaniel BooneDeep Sea Diver (uncredited) | Deep Sea Diver (uncredited) |
| DDavid CavendishDeck Officer (uncredited) | Deck Officer (uncredited) |
 E. E. ClivePort Commandant General (uncredited) | Port Commandant General (uncredited) |
| NNeil FitzgeraldEnglish Sergeant (uncredited) | English Sergeant (uncredited) |
 Harold GoodwinNightclub Bouncer and Seaman (uncredited) | Nightclub Bouncer and Seaman (uncredited) |
 Holmes HerbertBentham (uncredited) | Bentham (uncredited) |
 George HumbertStage Manager (uncredited) | Stage Manager (uncredited) |
| JJacques LoryMarkaday - Juggler (uncredited) | Markaday - Juggler (uncredited) |
| PPat McKeeSeaman Observing Fight (uncredited) | Seaman Observing Fight (uncredited) |
 Lal Chand MehraCustoms Officer (uncredited) | Customs Officer (uncredited) |
| VVictor MetzettiCab Driver (uncredited) | Cab Driver (uncredited) |
| RRobert F. OwensTender (uncredited) | Tender (uncredited) |
 Jack PerryGuard at Door (uncredited) | Guard at Door (uncredited) |
 Georges RenaventAdm. Jacques Delacour (uncredited) | Adm. Jacques Delacour (uncredited) |
| WWayne RiversCable Man (uncredited) | Cable Man (uncredited) |
 Bert RoachHotel Clerk (uncredited) | Hotel Clerk (uncredited) |
