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