| Person | Type | Job | Role(s) |
|---|---|---|---|
 Basil Wrangell | Crew | Editing | Editor |
 Cedric Gibbons | Crew | Art | Art Direction |
 Douglas Shearer | Crew | Sound | Recording Supervision |
 Irving Thalberg | Crew | Production | Producer |
Leon Gordon | Crew | Writing | Screenplay |
Merrill Pye | Crew | Art | Art Direction |
Merritt B. Gerstad | Crew | Camera | Director of Photography |
 Tod Browning | Crew | Directing | Director, Producer |
 Willis Goldbeck | Crew | Writing | Screenplay |
Clarence Aaron 'Tod' Robbins | Crew | Writing | Story |
 Albert Conti | Cast | Actor | Landowner (uncredited) |
 Angelo Rossitto | Cast | Actor | Angeleno |
 Constantine Romanoff | Cast | Actor | Man bringing Friedas Horse (uncredited) |
 Daisy Earles | Cast | Actress | Frieda |
 Daisy Hilton | Cast | Actress | Siamese Twin |
Delmo Fritz | Cast | Sword-Swallower (uncredited) | |
Demetrius Alexis | Cast | Mr. Rogers (uncredited) | |
 Edward Brophy | Cast | Actor | Rollo Brother |
Elvira Snow | Cast | Actress | Pinhead |
 Ernie Adams | Cast | Actor | Sideshow Patron (uncredited) |
 Frances O'Connor | Cast | Actress | Armless Girl |
 Harry Earles | Cast | Actor | Hans |
 Henry Victor | Cast | Actor | Hercules |
 Hooper Atchley | Cast | Actor | Doctoer (uncredited) |
Jenny Lee Snow | Cast | Actress | Pinhead |
 Jerry Austin | Cast | Actor | Knife-Throwing Dwarf (uncredited) |
 John Aasen | Cast | Actor | Giant (uncredited) |
 Johnny Eck | Cast | Actor | Half Boy |
 Josephine Joseph | Cast | Half Woman-Half Man | |
Koo Koo | Cast | Actress | Herself |
 Leila Hyams | Cast | Actress | Venus |
 Mathilde Comont | Cast | Actress | Madame Bartet (uncredited) |
 Matt McHugh | Cast | Actor | Rollo Brother |
 Michael Visaroff | Cast | Actor | Jean (uncredited) |
 Murray Kinnell | Cast | Actor | Freakshow Barker (uncredited) |
 Olga Baclanova | Cast | Actress | Cleopatra |
Peter Robinson | Cast | Actor | Human Skeleton |
 Roscoe Ates | Cast | Actor | Roscoe |
 Rose Dione | Cast | Actress | Madame Tetrallini |
 Schlitzie | Cast | Actor | Himself |
 Sidney Bracey | Cast | Actor | Hans' Butler (uncredited) |
Tiny Doll | Cast | (uncredited) | |
 Violet Hilton | Cast | Actress | Siamese Twin |
 Wallace Ford | Cast | Actor | Phroso |
 Prince Randian | Cast | Actor | The Living Torso |
 Olga Roderick | Cast | Actress | Bearded Lady |
Martha Morris | Cast | Armless Girl | |
Edith | Cast | Crawling Girl (uncredited) | |
Elizabeth Green | Cast | Actress | Bird Girl |
| Person | Type | Job | Role(s) |
