| Person | Type | Job | Role(s) |
|---|---|---|---|
 Anne Bauchens | Crew | Editing | Editor |
 Arthur Rosson | Crew | Directing | Second Unit Director |
Barré Lyndon | Crew | Writing | Screenplay |
 Cecil B. DeMille | Crew | Directing | Director, Producer |
Dorothy Jeakins | Crew | Costume & Make-Up | Costume Design |
 Edith Head | Crew | Costume & Make-Up | Costume Design |
Edward Salven | Crew | Directing | Assistant Director |
Frank Cavett | Crew | Writing | Story |
Fredric M. Frank | Crew | Writing | Screenplay, Story |
George Barnes | Crew | Camera | Director of Photography |
Hal Pereira | Crew | Art | Art Direction |
Harry Lindgren | Crew | Sound | Sound Recordist |
 Henry Wilcoxon | Crew | Production | Associate Producer |
J. Peverell Marley | Crew | Camera | Additional Photography |
Jack Gariss | Crew | Crew | Additional Writing |
John Cope | Crew | Sound | Sound Recordist |
 John Ringling North | Crew | Crew | Technical Advisor |
 Polly Burson | Crew | Crew | Stunts |
Ray Moyer | Crew | Art | Set Decoration |
 Sam Comer | Crew | Art | Set Decoration |
Theodore St. John | Crew | Writing | Screenplay, Story |
 Victor Young | Crew | Sound | Original Music Composer |
W. Wallace Kelley | Crew | Camera | Additional Photography |
 Wally Westmore | Crew | Costume & Make-Up | Makeup Supervisor |
Walter H. Tyler | Crew | Art | Art Direction |
 Angelo Rossitto | Cast | Actor | Dwarf |
 Arthur Q. Bryan | Cast | Actor | Ice-Cream Eating Spectator |
 Bess Flowers | Cast | Actress | Spectator (uncredited) |
 Betty Hutton | Cast | Actress | Holly |
 Beverly Washburn | Cast | Actress | Little Girl Spectator (uncredited) |
 Bing Crosby | Cast | Actor | Spectator (uncredited) |
 Bob Hope | Cast | Actor | Spectator (uncredited) |
Cecil B. DeMille | Cast | Actor | Narrator (voice) (uncredited) |
 Charlton Heston | Cast | Actor | Brad Braden |
 Cornel Wilde | Cast | Actor | The Great Sebastian |
 Daisy Earles | Cast | Actress | Midget |
 Davison Clark | Cast | Actor | Sam, game customer |
 Dorothy Adams | Cast | Actress | Sam's Wife (uncredited) |
 Dorothy Lamour | Cast | Actress | Phyllis |
 Edmond O'Brien | Cast | Actor | Midway Barker at End (uncredited) |
 Eric Alden | Cast | Actor | Canvas Man (uncredited) |
 Erville Alderson | Cast | Actor | Spectator (uncredited) |
 Frank Wilcox | Cast | Actor | Doctor |
 Franklyn Farnum | Cast | Actor | Spectator (uncredited) |
 Gloria Grahame | Cast | Actress | Angel |
Henry Wilcoxon | Cast | Actor | FBI Agent Gregory |
 James Stewart | Cast | Actor | Buttons |
 John Kellogg | Cast | Actor | Harry |
 John Ridgely | Cast | Actor | Assistant Manager |
John Ringling North | Cast | Himself | |
 Julia Faye | Cast | Actress | Birdie |
 Kathleen Freeman | Cast | Actress | Spectator (uncredited) |
 Lane Chandler | Cast | Actor | Dave (uncredited) |
 Lawrence Tierney | Cast | Actor | Mr. Henderson |
 Lee Aaker | Cast | Actor | Little Boy Spectator (uncredited) |
 Lillian Albertson | Cast | Actress | Buttons' mother |
Lillian O'Malley | Cast | Actress | Spectator |
Lou Jacobs | Cast | Himself (clown) | |
 Lyle Bettger | Cast | Actor | Klaus |
 Milton Kibbee | Cast | Actor | Picked-pocket Customer |
 Mona Freeman | Cast | Actress | Spectator (uncredited) |
 Nancy Gates | Cast | Actress | Spectator |
 Noel Neill | Cast | Actress | Noel (uncredited) |
 Oliver Blake | Cast | Actor | Spectator (uncredited) |
Robert Carson | Cast | Actor | The Ringmaster |
 Syd Saylor | Cast | Actor | Circus Barker (uncredited) |
 William Boyd | Cast | Actor | Hopalong Cassidy (uncredited) |
 Chuck Hamilton | Cast | Actor | Ambulance Driver (uncredited) |
 Bob Crosby | Cast | Actor | Spectator |
 Emmett Kelly | Cast | Actor | Himself |
Luce Potter | Cast | Midget | |
Brad Jackson | Cast | Reporter at RIngside | |
Kay Wiley | Cast | ||
Tuffy Genders | Cast | Tuffy Genders | |
Antoinette Concello | Cast | Antoinette Concello | |
Cucciola | Cast | Cucciola | |
| Person | Type | Job | Role(s) |
