Mr. Music

Paul Merrick

Katherine Holbrook

Alex Conway

Lorna Marvis

Jeff Blake

'Cupcake' Haggerty

Aunt Amy

Mr. Danforth

Jerome Thisbee

Tippy Carpenter

Marge Champion

Gower Champion

Groucho Marx

Dorothy Kirsten

Peggy Lee

Benson - Jewelry Clerk (uncredited)

Party Guest (uncredited)

Bookish Student (uncredited)

Singer (uncredited)