| Clint Eastwood | Thunderbolt |
| Jeff Bridges | Lightfoot |
| George Kennedy | Red Leary |
| Geoffrey Lewis | Eddie Goody |
| Catherine Bach | Melody |
| Gary Busey | Curly |
| Jack Dodson | Vault Manager |
| Vic Tayback | Mario Pinski |
| Dub Taylor | Station Attendant |
| Bill McKinney | Crazy Driver |
While stealing a car, free-spirited drifter Lightfoot crosses paths with legendary thief Thunderbolt in the midst of his own escape. Thunderbolt's old partners in crime, Red and Eddie, believe he double-crossed them after they robbed a Montana bank vault several years ago. After Thunderbolt successfully pleads his innocence and is let off the hook, Lightfoot rallies them together as a group to rob the very same bank again.