- James Cagney
- Joe Greer
- Joan Blondell
- Anne Scott
- Ann Dvorak
- Lee Merrick
- Eric Linden
- Edward 'Eddie' Greer
- Guy Kibbee
- Pop Greer
- Frank McHugh
- Spud Connors
- Billy Arnold
- Billy Arnold
- Leo Nomis
- Jim
- Fred Frame
- Fred Frame
- Ralph Hepburn
- Ralph Hepburn
- Wilbur Shaw
- Wilbur Shaw
- Shorty Cantlon
- Shorty Cantlon
- Mel Keneally
- Mel Keneally
- Stubby Stubblefield
- Stubby Stubblefield
- Jack Brisco
- Jack Brisco
- James P. Burtis
- Red - Joe's Mechanic
- John Conte
- Third Announcer (edited from 'Indianapolis Speedway')
- Ralph Dunn
- Racetrack Official
- Sol Gorss
- Replaced Driving Mechanic
- William Gould
- Track Doctor
- Fred Guisso
- Fred Guisso
- John Harron
- Red - Eddie's Pitman
- Harry Hartz
- Harry Hartz
- Sam Hayes
- Second Announcer
- Reid Kilpatrick
- Announcer at Tote Board (edited from 'Indianapolis Speedway')
- Spider Matlock
- Spider Matlock
- Edward McWade
- Tom Beal - Counterman
- Charlotte Merriam
- Mrs. Ruth Connors
- Wendell Niles
- First Radio Announcer (edited from 'Indianapolis Speedway')
- Phil Pardee
- Paul Pardee
- Bryan Salspaugh
- Bryan Salspaugh
- Lou Schneider
- Lou Schneider
- Regis Toomey
- Dick Wilbur
- Billy Wayne
- Assistant Pitman
