- Robert Downey Jr. Hank Palmer
- Robert Duvall Joseph Palmer
- Vera Farmiga Samantha Powell
- Vincent D'Onofrio Glen Palmer
- Jeremy Strong Dale Palmer
- Dax Shepard C.P. Kennedy
- Billy Bob Thornton Dwight Dickham
- Leighton Meester Carla
- Ken Howard Juez Warren
- Balthazar Getty Deputy Hanson
- David Krumholtz Mike Kattan
- Grace Zabriskie Sra. Blackwell
- Denis O'Hare Doc Morris
- Ian Nelson Eric
- Ian Blackman Mr. Burke
