| Person | Type | Job | Role(s) |
|---|---|---|---|
 Ayn Rand | Crew | Writing | Novel, Screenplay |
 David Weisbart | Crew | Editing | Editor |
Edward Carrere | Crew | Art | Art Direction |
 Henry Blanke | Crew | Production | Producer |
 King Vidor | Crew | Directing | Director |
 Max Steiner | Crew | Sound | Original Music Composer |
Oliver S. Garretson | Crew | Sound | Sound |
Perc Westmore | Crew | Costume & Make-Up | Makeup Artist |
 Robert Burks | Crew | Camera | Director of Photography |
William L. Kuehl | Crew | Art | Set Decoration |
John Wallace | Crew | Costume & Make-Up | Makeup Artist |
Albert Petit | Cast | Board Member (uncredited) | |
 Almira Sessions | Cast | Actress | Dominique's Housekeeper at Quarry (uncredited) |
 Ann Doran | Cast | Actress | Wynand's Secretary (uncredited) |
Bert Howard | Cast | Board Member (uncredited) | |
Bob Alden | Cast | Newsboy (uncredited) | |
 Bob Reeves | Cast | Actor | Juror (uncredited) |
 Boyd 'Red' Morgan | Cast | Actor | Jury Member (uncredited) |
 Charles Evans | Cast | Actor | Banner Board Member (uncredited) |
 Charles Trowbridge | Cast | Actor | Director (uncredited) |
 Creighton Hale | Cast | Actor | Court Clerk (uncredited) |
 Dorothy Christy | Cast | Actress | Society Woman (uncredited) |
 Douglas Kennedy | Cast | Actor | Reporter (uncredited) |
 Estelle Etterre | Cast | Actress | Woman at Enright party (uncredited) |
 Frank Wilcox | Cast | Actor | Gordon Prescott (uncredited) |
 Fred Kelsey | Cast | Actor | Old Watchman (uncredited) |
 G. Pat Collins | Cast | Actor | Jury Foreman (uncredited) |
 Gail Bonney | Cast | Actress | Woman (uncredited) |
 Gary Cooper | Cast | Actor | Howard Roark |
George Sherwood | Cast | Actor | Policeman (uncredited) |
 Geraldine Wall | Cast | Actress | Woman (uncredited) |
 Glen Cavender | Cast | Actor | Pedestrian Onlooker (uncredited) |
 Griff Barnett | Cast | Actor | Judge (uncredited) |
 Harlan Warde | Cast | Actor | Young Man (uncredited) |
 Harold Miller | Cast | Actor | Party Guest (uncredited) |
 Harry Woods | Cast | Actor | Quarry Superintendent (uncredited) |
 Henry Hebert | Cast | Actor | Juror (uncredited) |
 Henry Hull | Cast | Actor | Henry Cameron |
Isabel Withers | Cast | Actress | Secretary (uncredited) |
 Jack Mower | Cast | Actor | Construction Foreman (uncredited) |
James Carlisle | Cast | Actor | Party Guest (uncredited) |
 James Conaty | Cast | Actor | Party Guest (uncredited) |
 Jay Eaton | Cast | Actor | Party Guest (uncredited) |
 Jerome Cowan | Cast | Actor | Alvah Scarret |
John Alban | Cast | Actor | Courtroom Spectator (uncredited) |
 John Alvin | Cast | Actor | Young Intellectual (uncredited) |
 John Doucette | Cast | Actor | Gus Webb (uncredited) |
 Jonathan Hale | Cast | Actor | Guy Francon (uncredited) |
 Josephine Whittell | Cast | Actress | Hostess (uncredited) |
 Kent Smith | Cast | Actor | Peter Keating |
 Larry Steers | Cast | Actor | Party Guest (uncredited) |
 Lee Phelps | Cast | Actor | Juror (uncredited) |
 Leo White | Cast | Actor | Pedestrian Onlooker (uncredited) |
 Lester Dorr | Cast | Actor | Minor Role (uncredited) |
Lois Austin | Cast | Actress | Female Party Guest (uncredited) |
 Monte Blue | Cast | Actor | Gas Station Executive (uncredited) |
 Moroni Olsen | Cast | Actor | Chairman |
 Morris Ankrum | Cast | Actor | Prosecutor (uncredited) |
 Patricia Neal | Cast | Actress | Dominique Francon |
 Paul Harvey | Cast | Actor | Opera Businessman (uncredited) |
 Paul Newlan | Cast | Actor | Policeman (uncredited) |
 Paul Stanton | Cast | Actor | Dean Who Expels Roark (uncredited) |
 Philo McCullough | Cast | Actor | Bailiff (uncredited) |
 Pierre Watkin | Cast | Actor | Cortlandt Official (uncredited) |
 Ralph Brooks | Cast | Actor | Courtroom Spectator (uncredited) |
Raoul Freeman | Cast | Actor | Juror (uncredited) |
 Ray Collins | Cast | Actor | Roger Enright |
Raymond Largay | Cast | Actor | Director (uncredited) |
 Raymond Massey | Cast | Actor | Gail Wynand |
 Robert Douglas | Cast | Actor | Elsworth Toohey |
 Roy Gordon | Cast | Actor | Vice-President (uncredited) |
 Russell Hicks | Cast | Actor | Banner Board Member (uncredited) |
 Ruthelma Stevens | Cast | Actress | Roark's Secretary (uncredited) |
 Sam Harris | Cast | Actor | Board Member / Courtroom Spectator (uncredited) |
 Selmer Jackson | Cast | Actor | Cortlandt Official (uncredited) |
 Thurston Hall | Cast | Actor | Businessman at Party (uncredited) |
 Tito Vuolo | Cast | Actor | Pasquale Orsini (uncredited) |
Tom Coleman | Cast | Actor | Court Clerk (uncredited) |
 Tris Coffin | Cast | Actor | Toohey's Secretary (uncredited) |
 William Haade | Cast | Actor | Worker (uncredited) |
 Herschel Graham | Cast | Actor | Reporter (uncredited) |
 George Blagoi | Cast | Actor | Rally Spectator (uncredited) |
Bill Dagwell | Cast | Banner Shipping Clerk (uncredited) | |
Charles Fogel | Cast | Actor | Courtroom Spectator (uncredited) |
| Person | Type | Job | Role(s) |
