- Don Beddoe - Borneo
- Stanley Andrews - Driscoll, Fight Official
- Gordon Armitage - Fighter
- Earl Askam - Policeman
- Al Bayne - Fighter
- Dora Clement - Ill Ringsider Who Won't Leave
- Irving Cohen - Ex-Pug
- Eddie Coke - Photographer
- Dorothy Comingore - Fight Spectator
- Onest Conley - Jimmy, Chocolate Drop's Brother
- Sayre Dearing - Reporter
- Eddie Fetherston - Reporter Wilson
- Tommy Garland - Fighter
- Mickey Golden - Fighter
- Alfred Grant - Daniel, Chocolate Drop's Older Brother
- Joe Gray - Fighter
- James 'Cannonball' Green - Chocolate Drop
- Kit Guard - Ringsider
- Sam Hayes - Broadcaster
- Frank Jenks - Pepper White
- Anne Kay - Fat Woman
- John Kerns - Fighter
- Charles Lane - Reporter Drake
- Al Lang - Fight Second
- Ian McEwing - Referee
- Larry McGrath - Referee
- Pat McKee - Fight Spectator
- Alex Melesh - Stranger
- Frank Mills - Fight Spectator Rapidly Chewing Gum
- Bruce Mitchell - Guard
- Roy Moore - Lucky Nelson
- Lee Phelps - Ring Announcer
- Charles Randolph - Referee
- Cyril Ring - Extra in Moody's New Office
- Clinton Rosemond - Chocolate Drop's Father
- Syd Saylor - Ringsider Next to Pa Bonaparte
- Cy Schindell - Fighter
- Charles Sherlock - Reporter Saying 'That's Too Bad'
- Robert Sterling - Elevator Boy
- Landers Stevens - Ringsider with Ill Woman
- Charles Sullivan - Referee
- Harry Tyler - Mickey, Pepper White's Handler
- Minerva Urecal - Grocery Customer
- Dave Willock - Arena Call Boy
- John Wray - Chocolate Drop's Manager
- Jack Stewart - Policeman
- Rouben Mamoulian
-
Lewis Meltzer, Daniel Taradash, Sarah Y. Mason, Victor Heerman
-
William Perlberg
- Victor Young
- Morris Stoloff
Capítulo disponible en las siguientes plataformas:
