Professor Echo / Granny O'Grady
Lon Chaney
Rosie O'Grady
Mae Busch
Twin (uncredited)
Mary Angus
Human Skeleton (uncredited)
Walter P. Cole
Pet Shop Customer (uncredited)
Carrie Daumery
Sword Swallower (uncredited)
Delmo Fritz
Fat Lady (uncredited)
Alice Julian
Peter Kortes
Boy Watching Hercules' Act (uncredited)
Mickey McBan
Jeweler (uncredited)
Wilmuth Merkyl
Wild Borneo Man (uncredited)
John Millerta
Police Commissioner (uncredited)
Louis Morrison
Hector McDonald
Matt Moore
Mrs. Arlington (uncredited)
Majorie Morton
Dime Museum Announcer (uncredited)
Walter Perry
Newsboy (uncredited)
Louis Shank
Dancer (uncredited)
Vera Vance
John Arlington (uncredited)
Charles Wellesley
Butler (uncredited)
Percy Williams
Hercules
Victor McLaglen
Tweedledee aka Little Willie
Harry Earles
Detective Regan
Matthew Betz
Judge
Edward Connelly
Attorney for Defense
William Humphrey
Prosecuting Attorney
E. Alyn Warren
Margie Angus
Producer
Irving Thalberg
Scenario Writer
Waldemar Young
Stunts
Harvey Parry
Director
Tod Browning
Set Decoration
Cedric Gibbons
Director of Photography
David Kesson
Editor
Daniel J. Gray
Story
Clarence Aaron 'Tod' Robbins
Joseph C. Wright