Obsada:

• Jack Mulhall 'Burn-'em-Up' Barnes
• Frankie Darro Bobbie Riley
• Lola Lane Marjorie Temple
• Julian Rivero Tony
• Edwin Maxwell Lyman Warren
• Jason Robards Sr. John Drummond
• Francis McDonald race car henchman [Chs. 1-6] Ray Ridpath
• Billy Bletcher Race commentator [Ch. 1]
• Stanley Blystone Henchman Stevens [Chs. 3-12]
• Lynton Brent Office Henchman Thompson [Chs. 10-12]
• Al Bridge Henchman Tucker [Chs. 3-12]
• Don Brodie Race Driver [Ch. 1] Jones
• James P. Burtis film assistant [Chs. 8-11] Eddie
• James Bush George Riley [Ch. 1]
• Horace B. Carpenter Irate Customer [Ch. 6]
• Jack Cheatham Policeman [Chs. 6-7]
• Richard Cramer Detective
• John Davidson Tom Chase, race car henchman [Chs. 1-2, 5]
• Henry Hall Accident witness [Ch. 5]
• Edward Hearn Henchman Parker [Chs. 2-5]
• Dickie Jones 7] School boy [Chs. 1
• Bob Kortman Henchman Frazer [Chs. 5-12]
• Tom London oil speculator [Chs. 10-12] Parsons
• J. Farrell MacDonald Train Engineer [Chs. 7-8]
• Lew Meehan truck thug [Chs. 1-2] Ed
• Bruce Mitchell Lambert, film director [Chs. 8, 10-11]
• Dennis Moore Crewman
• Jack Mower Jack
• Eddie Parker Newsreel Cameraman [Ch. 1]
• Harry Strang Eddie's driver [Ch. 10]
• Monte Vandergrift Race car owner [Ch. 1]
• Lloyd Whitlock Dist. Atty. Matthews [Chs. 5, 10, 12]
• Roger Williams Harry