 Gary CooperDr. Corydon M. Wassell | Dr. Corydon M. Wassell |
 Laraine DayMadeleine | Madeleine |
 Signe HassoBettina | Bettina |
 Dennis O'KeefeBenjamin 'Hoppy' Hopkins | Benjamin 'Hoppy' Hopkins |
 Carol ThurstonTremartini (Three Martini) | Tremartini (Three Martini) |
 Carl EsmondLt. Dirk Van Daal | Lt. Dirk Van Daal |
 Paul KellyMurdock | Murdock |
 Elliott ReidWilliam 'Andy' Anderson | William 'Andy' Anderson |
 Laurette LuezPretty Javanese Girl | Pretty Javanese Girl |
 Stanley RidgesCmdr. William B. 'Bill' Goggins | Cmdr. William B. 'Bill' Goggins |
 Renny McEvoyJohnny Leeweather | Johnny Leeweather |
| OOliver ThorndikeAlabam | Alabam |
 Philip AhnPing | Ping |
 Barbara BrittonRuth | Ruth |
 William SevernLittle English Boy (uncredited) | Little English Boy (uncredited) |
 Richard LooChinese Doctor on Train (uncredited) | Chinese Doctor on Train (uncredited) |
 Douglas FowleyBit Part (uncredited) | Bit Part (uncredited) |
 Ann DoranPraying Woman (uncredited) | Praying Woman (uncredited) |
 Yvonne De CarloNative Girl (uncredited) | Native Girl (uncredited) |
 Cecil B. DeMilleVoice of Narrator (uncredited) | Voice of Narrator (uncredited) |
 Irving BaconMissionary (uncredited) | Missionary (uncredited) |
 Milton Kibbee'Janssen' Passenger (uncredited) | 'Janssen' Passenger (uncredited) |
 Gavin MuirDutch Military Messenger (uncredited) | Dutch Military Messenger (uncredited) |
 Jack Norton'Janssen' Passenger (uncredited) | 'Janssen' Passenger (uncredited) |
 Philip Van ZandtDutch Gunner (uncredited) | Dutch Gunner (uncredited) |
 Amzie StricklandNative Woman (uncredited) | Native Woman (uncredited) |
 George MacreadyDutch Army Captain (uncredited) | Dutch Army Captain (uncredited) |
