Charles Butterworth

as Professor

as Louie Fairweather

as Dr. Randolph Tilford

as Sultan of Araband

as Col. Thaddeus Winchester

as Eddie Dibble

as Prof. Woof

as Edward Wallace

as J. P. Courtney

as Horace Hopkins

as Harry Whitman

as 'Bittsy' Conway

as Mr. Chisholm

as Duke of Ephesus

as The Mackerel

as Biney

as Himself

as Larmadou Graves

as Harry

as Barrett

as Glenn Harvey

as Felix

as Horace Van Steedan

as Tommy Masterson

as Teddy Stuyvesant

as Willie

as Willy Fitch

as Shemp

as Ethelred Lippincott

as Algy Longworth / Mousey

as Harvey Clemp

as Charles

as Gerald Gregory

as Layton

as Floppy Phil Montague

as Count de Savignac

as Ludwig Pfeffer Jr.

as Herbert T. Herbert

as Karimsky

as Sidney

as Geoffrey

as Fake Louise Fazenda

as George 'Georgie' Evans

as Colonel Joy

as Cocktail Shaking Party Guest (uncredited)