Bud Abbott as Harry 'Slim' Pierce

Lou Costello as Willie 'Tubby' Piper

Fred Clark as Joseph Gorman - aka Sergei Toumanoff

Lynn Bari as Leota Van Cleef

Maxie Rosenbloom as Hinds

Harold Goodwin as Cameraman

Roscoe Ates as Wagon Driver

Mack Sennett as Mack Sennett

Heinie Conklin as Studio Guard

Hank Mann as Prop Man

Joe Devlin as Mike (uncredited)

Paul Dubov as Jason (uncredited)

Donald Kerr as Harvey (uncredited)

Frank Wilcox as Rudolph Snavely (uncredited)

Bess Flowers as Dancer in Restaurant scene (uncredited)

Colin Campbell as Elderly Guard (uncredited)

Joe Besser as Hunter (uncredited)

Marjorie Bennett as Movie Patron (uncredited)

Bob Jellison as Movie Patron (uncredited)

William H. O'Brien as Movie Patron (uncredited)

Sam Flint as Railroad Conductor (uncredited)

Charles Dorety as Watermelon Peddler

Jack Daly as Burglar (uncredited)

Frank Hagney as Usher / Ticket Taker (uncredited)

Byron Keith as Cop (uncredited)

Henry Kulky as Brakeman (uncredited)