- Groucho Marx
- Dr. Hugo Z. Hackenbush
- Chico Marx
- Tony
- Harpo Marx
- Stuffy
- Allan Jones
- Gil Stewart
- Maureen O'Sullivan
- Judy Standish
- Margaret Dumont
- Mrs. Emily Upjohn
- Leonard Ceeley
- Whitmore
- Douglass Dumbrille
- Morgan
- Esther Muir
- Cokey 'Flo'
- Sig Ruman
- Dr. Steinberg
- Robert Middlemass
- Sheriff
- Vivien Fay
- Dancer
- Ivie Anderson
- Vocalist
- The Crinoline Choir
- Vocal Ensemble
- Hooper Atchley
- Race Judge
- King Baggot
- Race Track Official Starter
- Kenny Baker
- Party Guest
- Vivian Barry
- Telephone Girl
- Barbara Bedford
- Secretary
- Vangie Beilby
- Racetrack Spectator
- Edna Bennett
- Nurse
- Edward Biby
- Racetrack Spectator
- Thurman Black
- Black Singer
- Lennie Bluett
- Black Singer
- William A. Boardway
- Party Guest
- The Plantation Boys
- Performers
- Chet Brandenburg
- Racetrack Spectator
- Troy Brown Sr.
- Black Singer
- Sheila Brown
- Child
- Jean Burt
- Telephone Operator
- Ben Carter
- Black Singer
- Ruth Cherrington
- Racetrack Spectator
- Jacqueline Clancy
- Child
- Paralee Coleman
- Black Performer
- Gino Corrado
- Man Boarding Bus
- DeForest Covan
- Black Singer
- George Cowl
- Racetrack Spectator
- Jack Daley
- Racetrack Spectator
- Dorothy Dandridge
- Black Singer
- Robert Dandridge
- Black Performer
- Vivian Dandridge
- Black Singer
- Frankie Darro
- Morgan's Jockey
- Frank Dawson
- Doctor
- Dudley Dickerson
- Wheelchair Attendant
- Helen Dickson
- Party Guest
- Billy Dooley
- Race Track Bugler
- Edward Earle
- Race Judge
- Aaron Edwards
- Plainclothesman
- Richard Farnsworth
- Jockey
- W.C. Fields
- Race Track Patron
- Pat Flaherty
- Detective with Sheriff
- Bess Flowers
- Racetrack Spectator
- Ray Flynn
- Racetrack Spectator
- Byron Foulger
- Racetrack Spectator
- J.C. Fowler
- Party Guest
- Jack George
- Musician
- Avanelle Harris
- Black Singer
- John Hiestand
- Radio Announcer
- Leyland Hodgson
- Policeman at Racetrack
- Arthur Stuart Hull
- Racetrack Spectator
- John Hyams
- Judge
- William Irving
- Man for Horn Business
- Si Jenks
- Messenger
- Jack W. Johnston
- Racetrack Spectator
- Darby Jones
- Black Singer
- Etta Jones
- Black Singer
- Jack Kenney
- Racetrack Spectator
- Edith Kingdon
- Racetrack Spectator
- Carole Landis
- Party Guest
- Harry Lash
- Racetrack Spectator
- Alexander Leftwich
- Musician
- Edward LeSaint
- Doctor
- Carl M. Leviness
- Party Guest Who Calls the Sheriff
- Max Lucke
- Doctor
- Danellen Mabry
- Young girl
- Wilbur Mack
- Race Judge
- Mary MacLaren
- Nurse
- Charles McAvoy
- Policeman Pursuing Hugo
- Alex Melesh
- Racetrack Spectator
- Norma Miller
- Black Singer
- Bert Moorhouse
- Racetrack Spectator
- Edmund Mortimer
- Party Guest
- Etta Moten
- Black Singer
- Henry Mowbray
- Man for Hat Business
- Lee Murray
- Judge
- Harry Myers
- Party Guest
- Field Norton
- Party Guest
- Jack Norton
- Drunk
- Frank O'Connor
- Racetrack Guard
- Cullen and Pauline
- Performers
- Victor Potel
- Horn Blower
- Russ Powell
- Racetrack Spectator
- James Quinn
- Racetrack Spectator
- Bob Reeves
- Policeman Pursuing Hugo
- Cyril Ring
- Racetrack Spectator
- Gus Robinson
- Black Singer
- Jimmy Robinson
- Black Performer
- Alexander Schoenberg
- Musician in orchestra
- Jesse Scott
- Black Performer
- Allen D. Sewall
- Policeman Pursuing Hugo
- Four Hot Shots
- Black Performers
- Phillips Smalley
- Racing Spectator with Wrong Hat
- Carolynne Snowden
- Black Singer
- John St. Polis
- Musician in orchestra
- Arthur Thalasso
- Policeman Pursuing Hugo
- The Three Chocolateers
- Black Performers
- Charles Trowbridge
- Dr. Wilmerding
- Arthur White's Lindy Hoppers and Jitterbugs
- Dancers
- Elizabeth Williams
- Racetrack Spectator
- Harry Wilson
- Detective with Sheriff
- Florence Wix
- Party Guest
- Buck Woods
- Black Singer
