 Humphrey BogartFred C. Dobbs | Fred C. Dobbs |
 Walter HustonHoward | Howard |
 Tim HoltBob Curtin | Bob Curtin |
 Bruce BennettJames Cody | James Cody |
 Barton MacLanePat McCormick | Pat McCormick |
 Alfonso BedoyaGold Hat | Gold Hat |
 Arturo Soto RangelEl Presidente | El Presidente |
 Manuel DondéEl Jefe | El Jefe |
 José TorvayPablo | Pablo |
 Robert BlakeMexican Boy Selling Lottery Tickets (uncredited) | Mexican Boy Selling Lottery Tickets (uncredited) |
 Roberto CañedoMexican Lieutenant (uncredited) | Mexican Lieutenant (uncredited) |
 Jacqueline DalyaFlashy Girl (uncredited) | Flashy Girl (uncredited) |
 Ralph DunnFlophouse Bum (uncredited) | Flophouse Bum (uncredited) |
 Pat FlahertyCustomer in Bar Who Warns Curtin and Dobbs about Pat McCormick (uncredited) | Customer in Bar Who Warns Curtin and Dobbs about Pat McCormick (uncredited) |
 Martín GarralagaRailroad Conductor (uncredited) | Railroad Conductor (uncredited) |
 Jack HoltFlophouse Bum (uncredited) | Flophouse Bum (uncredited) |
 John HustonAmerican in Tampico in White Suit (uncredited) | American in Tampico in White Suit (uncredited) |
| JJulian RiveroBarber (uncredited) | Barber (uncredited) |
 Jay SilverheelsIndian Guide at Pier (uncredited) | Indian Guide at Pier (uncredited) |
 Ray SpikerWorkman at Pier (uncredited) | Workman at Pier (uncredited) |
| HHarry J. VejarBartender (uncredited) | Bartender (uncredited) |
 Clifton YoungFlophouse Bum (uncredited) | Flophouse Bum (uncredited) |
 Margarito LunaPancho | Pancho |
| GGuillermo CallesMexican Storeowner (uncredited) | Mexican Storeowner (uncredited) |
| SSpencer ChanProprietor (uncredited) | Proprietor (uncredited) |
| EErnesto EscotoMexican Bandit (uncredited) | Mexican Bandit (uncredited) |
| FFrancisco IslasIndian (uncredited) | Indian (uncredited) |
| MMario MancillaChild (uncredited) | Child (uncredited) |
| VValdespinoIndian (uncredited) | Indian (uncredited) |
| IIldefonso VegaIndian (uncredited) | Indian (uncredited) |
