Bing Crosby

Character: Paul Merrick

Nancy Olson

Character: Katherine Holbrook

Charles Coburn

Character: Alex Conway

Ruth Hussey

Character: Lorna Marvis

Robert Stack

Character: Jeff Blake

Tom Ewell

Character: 'Cupcake' Haggerty

Ida Moore

Character: Aunt Amy

Charles Kemper

Character: Mr. Danforth

Richard Haydn

Character: Jerome Thisbee

Donald Woods

Character: Tippy Carpenter

Marge Champion

Character: Marge Champion

Gower Champion

Character: Gower Champion

Groucho Marx

Character: Groucho Marx

Dorothy Kirsten

Character: Dorothy Kirsten

Peggy Lee

Character: Peggy Lee

Irving Bacon

Character: Benson - Jewelry Clerk (uncredited)

Bess Flowers

Character: Party Guest (uncredited)

Leon Tyler

Character: Bookish Student (uncredited)

Norma Zimmer

Character: Singer (uncredited)