as Peter M. Blainey
as Mr. Penny
as Charlie
as Feisal
as Himself (uncredited)
as Mr. J. August Freytag
as Marcus P. Throckmorton
as Izzy Wright
as Ferdinand Farraday
as Professor Ross
as Professor Twingle
as Angus McPherson
as Toto
as Horatio Gillingwater
as Elmer
as Quimby
as Rocky Plummer
as Maurice Giraud
as Colonel Fitch
as Eli Hobbs
as Henry I. Dibble Jr. / Faith Dibble / Hope Dibble / Charity Dibble / Prudence Dibble / Mrs. Henry I. Dibble Jr. / Henry I. Dibble Sr.
as Siegfried Hammerschlag
as Hubert Abercrombie Gumm
as Rupert Rockingham
as Silas Jenkins, Justice of the Peace
as Cedric Ames
as Elmer Whippet / Oscar Whippet
as Mousey Johnson
as Lemuel P. Twine / Abner Twine / Colonel Cladius Zebediah Twine
as Julius Hofbauer, Music Publisher
as T. Mosley Thorpe
as Killigrew Shaw
as Junior Ashcraft
as Harvey Wilson
as Hugh Herbert
as Sergeant Fritz
as Silas Jenkins / Maurice Giraud (archive footage) (uncredited)
as Harvey Bates
as Hymie Schwartz
as Joe 'Poppa' Frink
as Hugh Herbert (uncredited)
as Hotel House Detective
as Hugo Wetzel
as Kelly
as Snout
as Aaron Goss
as Joe Ward
as Professor
as Chester Marshall
as George Pierce
as P.G. Grimble
as Uncle Ferdinand
as Homer Bronson
as Ezra Ounce
as Timothy Brewster
as Herbert Pearson
as Pop Loring
as Benton
as Hugh
as Secretary of the Treasury
as Self
as Barnett
as Frederick Healy
as Corey Pratt
as John B. Radway
as Hotstetter
as Detective
as Hugh Sherlock, playwright
as Detective Hank Slade
as Hubert Worthington Clippe
as Aeneas Phinney
as Chinaman
as Valet
as Charlie Bowers
as Eustace P. Trumble
as Thomas J. Jesse
as Mr. Trumball
as Doctor
as Luther Haines
as Ed Rathburn
as McNellis
as Hugo Twist / Elizabeth Twist
as Joe Austin
as Manny Wales
as Hubert
as Hugh 'Hughie' Herbert
as Liewellyn Simmons
as Tourist
as Detective Riley
as Aunt Fanny / Dave McGurk alias Dave the Drip
as Adam Spiggott
as Himself
as Hughie Hawkins
as Filbert Fillmore
as Elmer 'Picklepuss' Burns
as Mr. Penn