| Person | Type | Job | Role(s) |
|---|---|---|---|
 Bertram C. Granger | Crew | Art | Set Decoration |
Buddy G. DeSylva | Crew | Production | Executive Producer |
Don Johnson | Crew | Sound | Sound Recordist |
 Dudley Nichols | Crew | Writing | Screenplay |
 Ernest Hemingway | Crew | Writing | Novel |
Farciot Edouart | Crew | Crew | Special Effects |
George Parrish | Crew | Sound | Orchestrator |
Gordon Jennings | Crew | Crew | Special Effects |
Haldane Douglas | Crew | Art | Art Direction |
Hans Dreier | Crew | Art | Art Direction |
Harold Lewis | Crew | Sound | Sound Recordist |
John F. Link Sr. | Crew | Editing | Editor |
Leo Shuken | Crew | Sound | Orchestrator |
 Natalie Kalmus | Crew | Editing | Color Grading |
Ray Rennahan | Crew | Camera | Director of Photography |
 Sam Wood | Crew | Directing | Director, Producer |
Sherman Todd | Crew | Editing | Editor |
 Victor Young | Crew | Sound | Original Music Composer |
 Wally Westmore | Crew | Costume & Make-Up | Makeup Artist |
 William Cameron Menzies | Crew | Art | Production Design |
Jan Domela | Crew | Crew | Special Effects |
Irmin Roberts | Crew | Crew | Special Effects |
Robert McCrellis | Crew | Art | Props |
James Grant | Crew | Camera | Assistant Camera |
Norman Lacey | Crew | Production | Location Manager |
Pat Williams | Crew | Costume & Make-Up | Wardrobe Designer |
LeVaughn Larson | Crew | Costume & Make-Up | Wardrobe Master |
Clem Jones | Crew | Directing | Second Assistant Director |
Fred Starns | Crew | Costume & Make-Up | Wardrobe Master |
Jack Colconda | Crew | Art | Props |
 Adia Kuznetzoff | Cast | Actor | Gustavo |
 Akim Tamiroff | Cast | Actor | Pablo |
 Alberto Morin | Cast | Actor | Soldier #2 |
 Alexander Granach | Cast | Actor | Paco |
 Arturo de Córdova | Cast | Actor | Agustín (as Arturo de Cordova) |
 Blanca Vischer | Cast | Actress | Spanish girl who salutes Robert Jordan at the beginning in the Cafe. |
Count Stefenelli | Cast | Cafe Patron | |
 Dick Botiller | Cast | Actor | Sergeant - Elias' Man |
 Duncan Renaldo | Cast | Actor | Lt. Berrendo |
 Eduardo Ciannelli | Cast | Actor | |
 Eric Feldary | Cast | Actor | Andres |
Ernesto Molinari | Cast | Actor | Civil Guard |
Eumenio Blanco | Cast | Actor | Townsman |
 Feodor Chaliapin Jr. | Cast | Actor | Kashkin |
 Fortunio Bonanova | Cast | Actor | Fernando |
Franco Corsaro | Cast | Actor | Elias' Man |
 Frank Lackteen | Cast | Actor | Elias' Man |
 Frank Puglia | Cast | Actor | Captain Gomez |
 Gary Cooper | Cast | Actor | Robert Jordan |
 George Coulouris | Cast | Actor | André Massart |
George Sorel | Cast | Actor | Bored Sentry Reading Newspaper |
 Harry Cording | Cast | Actor | Man Who Flails the Mayor |
 Ingrid Bergman | Cast | Actress | Maria |
Jack Deery | Cast | Actor | Cafe Patron (uncredited) |
 Jean Del Val | Cast | Actor | The Sniper |
Joe Gilbert | Cast | Actor | Cafe Patron |
 John Bleifer | Cast | Actor | Peasant Who Flails González |
 John Mylong | Cast | Actor | Colonel Duval |
 Joseph Calleia | Cast | Actor | El Sordo |
José Luis Tortosa | Cast | Actor | Civil Guard |
 Katina Paxinou | Cast | Actress | Pilar |
 Konstantin Shayne | Cast | Actor | Karkov |
Leo Bulgakov | Cast | General Golz | |
 Leonid Snegoff | Cast | Actor | Ignacio |
Lynda Grey | Cast | Actress | Cafe Girl |
Manuel López | Cast | Actor | Civil Guard |
 Manuel París | Cast | Actor | Officer of Civil Guards Shot by Pablo |
 Marjorie Deanne | Cast | Actress | Cafe Girl |
 Martín Garralaga | Cast | Actor | Captain Mora |
 Michael Visaroff | Cast | Actor | Staff Officer |
 Mikhail Rasumny | Cast | Actor | Rafael |
 Pedro Regas | Cast | Actor | Soldier #3 |
 Pedro de Cordoba | Cast | Actor | Colonel Miranda |
 Robert Tafur | Cast | Actor | Faustino Rivero |
 Soledad Jiménez | Cast | Actress | Guillermo's Wife |
Tito Renaldo | Cast | Actor | Young Sentry from Anselmo's Village |
 Victor Varconi | Cast | Actor | Primitivo |
 Vladimir Sokoloff | Cast | Actor | Anselmo |
 William Edmunds | Cast | Actor | Soldier #1 |
 Yakima Canutt | Cast | Actor | Young Cavalryman |
 Yvonne De Carlo | Cast | Actress | Girl in Cafe (uncredited) |
Antonio Molina | Cast | Actor | Guillermo |
 Louise La Planche | Cast | Actress | Cafe Girl |
Maxine Ardell | Cast | Cafe Girl | |
Lilo Yarson | Cast | Joaquin | |
Michael Dalmatoff | Cast | Mayor Benito García | |
Armand Roland | Cast | Julian | |
Marcella Phillips | Cast | Cafe Girl | |
Chris King | Cast | Cafe Girl | |
Alice Kirby | Cast | Cafe Girl | |
Trina Varella | Cast | Spanish Singer | |
Nadine Riga | Cast | Woman | |
Emilio Ortego | Cast | Soldier with Bayonet | |
Luis Rojas | Cast | Drunkard Who Flails Guillermo | |
Mayo Newhall | Cast | Ricardo | |
Samuel Azteca | Cast | Soldier with Bayonet | |
| Person | Type | Job | Role(s) |
