Reginald Denny as Master of Ceremonies

George "Spike" Hamilton as Songwriter

Gaylord Carter as Gaylord

Margot Grahame as Self

Groucho Marx as Groucho Marx

Dick Foran as Dick Foran

Connee Boswell as Connee Boswell

Peter Lind Hayes as Uniformed Messenger

John Howard as John Howard

Chester Morris as Chester Morris

Robert Benchley as Robert Benchley

Sally Blane as Sally Blane

Frank Morgan as Frank Morgan

Bert Wheeler as Bert Wheeler

Eric Blore as Eric Blore

Glenda Farrell as Glenda Farrell

Frank McHugh as Frank McHugh

Norman Foster as Norman Foster

Ruth Johnson as Ruth Johnson

June Collyer as June Collyer

Stuart Erwin as Stuart Erwin

Toby Wing as Toby Wing

Russell Gleason as Russell Gleason

Cynthia Lindsay as Cynthia Lindsay (singer)

Benny Rubin as Benny Rubin

Monica Bannister as Show Girl

Bonnie Bannon as Show Girl

Diane Cook as Show Girl

Wanda Perry as Show Girl

Clarice Sherry as Show Girl

Betty Brian as One of the Brian Sisters

Doris Brian as One of the Brian Sisters

Gwen Brian as One of the Brian Sisters

Phyllis Brooks as Phyllis Brooks

Steve Carruthers as Nightclub Patron

Marge Champion as Margie Bell - Dancer

Lester Dorr as Columnist

Jay Eaton as Bartender

Arthur Lake as Arthur Lake

Alexander Pollard as Waiter

Ronald R. Rondell as Nightclub Patron

Margaret Vale as Margaret Vale

Louis Hightower as Dancer