 Paul NewmanFrank Capua | Frank Capua |
 Joanne WoodwardElora | Elora |
 Robert WagnerLou Erding | Lou Erding |
 Richard ThomasCharley | Charley |
 David SheinerLeo Crawford | Leo Crawford |
 Clu GulagerLarry | Larry |
 Barry FordBottineau | Bottineau |
 Karen ArthurMiss Dairy Queen | Miss Dairy Queen |
 Bobby UnserHimself | Himself |
| TTony HulmanHimself | Himself |
| BBobby GrimaltHimself (uncredited) | Himself (uncredited) |
 Dan GurneyHimself (uncredited) | Himself (uncredited) |
| RRoger McCluskeyHimself (uncredited) | Himself (uncredited) |
| AAllen EmersonDesk Clerk (uncredited) | Desk Clerk (uncredited) |
| RRay BallardTrombone Player (uncredited) | Trombone Player (uncredited) |
 Harry BaschThe Stranger (uncredited) | The Stranger (uncredited) |
 John BryantWell-Wisher at Indy Victory (uncredited) | Well-Wisher at Indy Victory (uncredited) |
 Robert ShayneWell-Wisher at Indy Victory (uncredited) | Well-Wisher at Indy Victory (uncredited) |
| MMarianna CaseMotorcycle Girl (uncredited) | Motorcycle Girl (uncredited) |
| TTony ClaytonThe Girl (uncredited) | The Girl (uncredited) |
| CCarolyn McNicholParty Girl (uncredited) | Party Girl (uncredited) |
| SStephen MitchellMechanic at Riverside (uncredited) | Mechanic at Riverside (uncredited) |
 Paulene MyersCleaning Woman (uncredited) | Cleaning Woman (uncredited) |
 Charles SeelEshovo (uncredited) | Eshovo (uncredited) |
| AAlma PlattMrs. Eshovo (uncredited) | Mrs. Eshovo (uncredited) |
 Robert QuarrySam Jagin (uncredited) | Sam Jagin (uncredited) |
 Maxine StuartMiss Redburne's Mother (uncredited) | Miss Redburne's Mother (uncredited) |
| BBruce WalkupDriver No. 1 (uncredited) | Driver No. 1 (uncredited) |
 Eileen WessonMiss Redburne (uncredited) | Miss Redburne (uncredited) |
