- as Marshall Reuben J. "Rooster" Cogburn
- as Mattie Ross (14)
- as LaBoeuf
- as Tom Chaney
- as "Lucky" Ned Pepper
- as Col. Stonehill
- as Undertaker
- as Emmett Quincy
- as Moon (The Kid)
- as 40-Year-Old Mattie
- as Bear Man
- as Sheriff
- as Boarding House Landlady
- as Cross-examining Lawyer
- as First Lawyer
- as Judge Parker
- as Ferryman
- as Repentant Condemned Man
- as Unrepentant Condemned Man
- as Indian in Wild West Show
- as J. Noble Daggett (Voice)
Watch "True Grit":