Bud Abbott as Eddie Harrington

Lou Costello as Albert Mansfield

Marion Hutton as Elsie Hammerdingle

Kirby Grant as Peter Evans

Ann Gillis as Gloria Winthrop

Arthur Treacher as Pipps, Butler

Thomas Gomez as Drexel

George Dolenz as Baron Sergel

Steven Geray as Count Alexis

Murray Leonard as Marlow

Thurston Hall as Mr. Van Cleve

Nella Walker as Mrs. Elizabeth Van Cleve

William B. Davidson as Parker

Will Osborne as Himself

Geri Rosse as The Fontane Sisters

Margie Rosse as The Fontane Sisters

Bea Rosse as The Fontane Sisters

Luis Alberni as Luigi - Pottery Dealer (uncredited)

Elvia Allman as Hysterical Widow (uncredited)

Don Barclay as Drowning Drunk (uncredited)

Milt Bronson as Susquehanna Fast Talker (uncredited)

Charles Coleman as Van Cleve's Doorman (uncredited)

Edgar Dearing as Policeman in Taxi Garage (uncredited)

Leon DeVoe as Party Guest (uncredited)

Helen Dickson as Party Guest (uncredited)

Tom Dugan as Derby Dan (uncredited)

Ralph Dunn as Policeman at Pottery Shop (uncredited)

Tom Fadden as Fire Chief (uncredited)

Franklyn Farnum as Proprietor of Diner Stand (uncredited)

Alice Fleming as Dowager (uncredited)

Bess Flowers as Party Guest (uncredited)

Dorothy Granger as Hysterical Woman (uncredited)

Charlie Hall as Mugg (uncredited)

Rovamel Hilton as Party Guest (uncredited)

Margaret Irving as Mrs. Winthrop (uncredited)

Ethelreda Leopold as Winthrop Party Guest (uncredited)

Carey Loftin as Mugg (uncredited)

Thomas Martin as Waiter at Costume Party (uncredited)

William H. O'Brien as Party Waiter (uncredited)

Frank O'Connor as Policeman at Winthrop Home (uncredited)

Cyril Ring as Sir Walter Raleigh at Party (uncredited)

Ann Roberts as Minor Role (uncredited)

Charles Sherlock as Detective at Winthrop Home (uncredited)

Al Thompson as Minor Role (uncredited)

Mabel Todd as Manicurist (uncredited)