An agent for horse jockeys faces his greatest challenge.
| Actor | Role |
|---|---|
 William HoldenBoots Malone | Boots Malone |
 Stanley ClementsStash Clements | Stash Clements |
 Harry MorganQuarter Horse Henry | Quarter Horse Henry |
 Ed BegleyHoward Whitehead | Howard Whitehead |
 Carl Benton ReidJohn Williams | John Williams |
 Basil RuysdaelPreacher Cole | Preacher Cole |
 Ralph DumkeBeckett | Beckett |
 Hugh SandersMatson | Matson |
 Anthony CarusoJoe | Joe |
| BBilly PearsonEddie Koch | Eddie Koch |
 Johnny StewartThomas Gibson Jr. aka The Kid | Thomas Gibson Jr. aka The Kid |
| AAnn LeeMrs. Elizabeth B. Gibson | Mrs. Elizabeth B. Gibson |
 Whit BissellLou Dyer | Lou Dyer |
 Harry HinesGoofy Gordon | Goofy Gordon |
 Hank WordenAuto Mechanic | Auto Mechanic |
 Frank FergusonPrivate Investigator | Private Investigator |
| JJohn CallTouting Clocker | Touting Clocker |