Mike Brannan
Regina Forbes
Gregg
Jack Mackay
Dwight Barrington
Joie Chitwood
Regina's Secretary
Mr. Wendall
Press Agent
Janie
Mike's Pit Crew
Mike's Pit Crew (as Lew Smith)
Ted Husing (voice)
Newspaper Editor (uncredited)
Driver (uncredited)
Pit Crew Member (uncredited)
Racing Spectator (uncredited)
Greengrove Race Spectator (uncredited)
IMRA Promoter (uncredited)
Minor Role (uncredited)
Shoe Fitter (uncredited)
Joe Youghal (uncredited)
Greengrove Race Announcer (uncredited)
Spotter in Husing's Booth (uncredited)
Bainsville Track Owner (uncredited)
Benson - Regina's Butler (uncredited)
Steward #1 (uncredited)
Television Announcer (voice) (uncredited)
Studio Production Man (uncredited)
Newark Referee (uncredited)
Hank Harmon (uncredited)
Nurse (uncredited)
Steward #2 (uncredited)
Nightclub Patron (uncredited)
Mauri Rose - Indianapolis 500 Driver, Car #31 (archive footage) (uncredited)
Regina's Radio Show Announcer (uncredited)
Race Track Spectator (uncredited)
Sports Announcer (uncredited)