Humphrey Bogart character Fred C. Dobbs
Walter Huston character Howard
Tim Holt character Bob Curtin
Bruce Bennett character James Cody
Barton MacLane character Pat McCormick
Alfonso Bedoya character Gold Hat
Arturo Soto Rangel character El Presidente
Manuel Dondé character El Jefe
José Torvay character Pablo
Margarito Luna character Pancho
Robert Blake character Mexican Boy Selling Lottery Tickets (uncredited)
Guillermo Calles character Mexican Storeowner (uncredited)
Roberto Cañedo character Mexican Lieutenant (uncredited)
Spencer Chan character Proprietor (uncredited)
Jacqueline Dalya character Flashy Girl (uncredited)
Ralph Dunn character Flophouse Bum (uncredited)
Ernesto Escoto character Mexican Bandit (uncredited)
Pat Flaherty character Customer in Bar Who Warns Curtin and Dobbs about Pat McCormick (uncredited)
Martín Garralaga character Railroad Conductor (uncredited)
Jack Holt character Flophouse Bum (uncredited)
John Huston character American in Tampico in White Suit (uncredited)
Francisco Islas character Indian (uncredited)
Mario Mancilla character Child (uncredited)
Julian Rivero character Barber (uncredited)
Ángela Rodríguez character Howard's Assistant (uncredited)
Jay Silverheels character Indian Guide at Pier (uncredited)
Ray Spiker character Workman at Pier (uncredited)
Valdespino character Indian (uncredited)
Ildefonso Vega character Indian (uncredited)
Harry J. Vejar character Bartender (uncredited)
Ignacio Villalbazo character Mexican Bandit (uncredited)
Clifton Young character Flophouse Bum (uncredited)