The Sin of Harold Diddlebock

Harold Lloyd

Harold Diddlebock

Jimmy Conlin

Wormy

Raymond Walburn

E.J. Waggleberry

Rudy Vallee

Lynn Sargent

Edgar Kennedy

Jake the Bartender

Margaret Hamilton

Flora

Franklin Pangborn

Formfit Franklin

Jack Norton

James R. Smoke

Arline Judge

Manicurist

Frances Ramsden

Frances Otis

Lionel Stander

Max

Robert Dudley

Robert McDuffy

Arthur Hoyt

J.P. Blackstone

Julius Tannen

Nearsighted Banker

Al Bridge

Wild Bill Hickock

Robert Greig

Algernon McNiff

Georgia Caine

Bearded Lady

Torben Meyer

Barber with Mustache

Victor Potel

Prof. Potelle

J. Farrell MacDonald

Desk Sergeant (uncredited)