Dr. Hugo Z. Hackenbush

Groucho Marx

Acting

Tony

Chico Marx

Acting

Stuffy

Harpo Marx

Acting

Gil Stewart

Allan Jones

Acting

Judy Standish

Maureen O'Sullivan

Acting

Emily Upjohn

Margaret Dumont

Acting

Dr. Leopold X. Steinberg

Sig Ruman

Acting

Whitmore

Leonard Ceeley

Acting

Morgan

Douglass Dumbrille

Acting

'Flo' Marlowe

Esther Muir

Acting

Sheriff

Robert Middlemass

Acting

Specialty Dancer

Vivien Fay

Acting

Specialty Singer

Ivie Anderson

Acting

Man Boarding Bus (uncredited)

Gino Corrado

Acting

Racetrack Spectator (uncredited)

Bess Flowers

Acting

Racetrack Spectator (uncredited)

Bert Moorhouse

Acting

Racetrack Guard (uncredited)

Frank O'Connor

Acting

Party Guest (uncredited)

Carole Landis

Acting

Black Singer (uncredited)

Etta Moten

Acting

Singer (uncredited)

Dorothy Dandridge

Acting

Racetrack Spectator (uncredited)

Byron Foulger

Acting