| Person | Type | Job | Role(s) |
|---|---|---|---|
 Alfred Newman | Crew | Sound | Original Music Composer |
 Arthur E. Arling | Crew | Camera | Director of Photography |
 Barbara McLean | Crew | Editing | Editor |
 Ben Nye | Crew | Costume & Make-Up | Makeup Artist |
Charles G. Clarke | Crew | Camera | Director of Photography |
Charles LeMaire | Crew | Costume & Make-Up | Costume Design |
 Darryl F. Zanuck | Crew | Production | Executive Producer |
Edward B. Powell | Crew | Sound | Orchestrator |
Fred Sersen | Crew | Visual Effects | Visual Effects |
 Henry King | Crew | Directing | Director |
James Basevi | Crew | Art | Art Direction |
 Lamar Trotti | Crew | Writing | Writer, Producer |
Richard Day | Crew | Art | Art Direction |
Robert D. Webb | Crew | Directing | Second Unit Director |
Roger Heman Sr. | Crew | Sound | Sound |
Samuel Shellabarger | Crew | Writing | Novel |
Thomas Little | Crew | Art | Set Decoration |
Winston H. Leverett | Crew | Sound | Sound |
 Alan Mowbray | Cast | Actor | Prof. Botello |
 Antonio Moreno | Cast | Actor | Don Francisco De Vargas |
 Barbara Lawrence | Cast | Actress | Luisa De Carvajal |
Bud Wolfe | Cast | Actor | Sailor (uncredited) |
 Cesar Romero | Cast | Actor | Hernando Cortez |
 Chris-Pin Martin | Cast | Actor | Sancho Lopez (uncredited) |
David Cota | Cast | Actor | Singer (uncredited) |
Edward Mundy | Cast | Crier (uncredited) | |
 Estela Inda | Cast | Actress | Doña Marina (uncredited) |
 Fred Libby | Cast | Actor | Hernan Soler (uncredited) |
 George Zucco | Cast | Actor | Marquis De Carvajal |
Gilberto González | Cast | Actor | Aztec Ambassador (uncredited) |
Guillermo Calles | Cast | Actor | Aztec (uncredited) |
 Harry Carter | Cast | Actor | Capt. Sandoval (uncredited) |
 Jay Silverheels | Cast | Actor | Coatl (uncredited) |
 Jean Peters | Cast | Actress | Catana Perez |
John Burton | Cast | Actor | DeLora (uncredited) |
 John Laurenz | Cast | Diego Cermeno (uncredited) | |
 John Sutton | Cast | Actor | Diego De Silva |
 Julian Rivero | Cast | Actor | Marquis' Servant (uncredited) |
 Lee J. Cobb | Cast | Actor | Juan Garcia |
 Marc Lawrence | Cast | Actor | Corio |
 Mimi Aguglia | Cast | Actress | Doña Hernandez (uncredited) |
 Reed Hadley | Cast | Actor | Juan Escudero (uncredited) |
 Robert Adler | Cast | Actor | Reyes (uncredited) |
 Robert Karnes | Cast | Actor | Manuel Perez (uncredited) |
 Robert Shaw | Cast | Actor | Spanish Army Officer (uncredited) |
 Roy Roberts | Cast | Actor | Capt. Alvarado |
 Thomas Gomez | Cast | Actor | Father Bartolome Romero |
 Tyrone Power | Cast | Actor | Pedro De Vargas |
 Virginia Brissac | Cast | Actress | Doña Maria De Vargas (uncredited) |
Ramón Sánchez | Cast | Aztec (uncredited) | |
| Person | Type | Job | Role(s) |
