 John WayneReuben J. "Rooster" Cogburn | Reuben J. "Rooster" Cogburn |
 Kim DarbyMattie Ross | Mattie Ross |
 Glen Campbell"La Boeuf" | "La Boeuf" |
 Jeremy SlateEmmett Quincy | Emmett Quincy |
 Robert DuvallNed Pepper | Ned Pepper |
 Dennis Hopper"Moon" | "Moon" |
 Alfred RyderGoudy | Goudy |
 Strother MartinColonel G. Stonehill | Colonel G. Stonehill |
 Jeff CoreyTom Chaney | Tom Chaney |
 Ron SobleCaptain Boots Finch | Captain Boots Finch |
 James WesterfieldJudge Parker | Judge Parker |
 John FiedlerLawyer Daggett | Lawyer Daggett |
 John Doucette"Sheriff" | "Sheriff" |
 Donald Woods"Barlow" | "Barlow" |
 Edith AtwaterMrs. Floyd | Mrs. Floyd |
 Carlos Rivas"Dirty Bob" | "Dirty Bob" |
| IIsabel BonifaceMrs. Bagby | Mrs. Bagby |
 H.W. GimChen Lee | Chen Lee |
 John PickardFrank Ross | Frank Ross |
 Elizabeth HarrowerMrs. Ross | Mrs. Ross |
 Ken RenardYarnell | Yarnell |
| JJay RipleyHarold Parmalee | Harold Parmalee |
 Kenneth BeckerFarrell Parmalee | Farrell Parmalee |
 Wilford BrimleyMinor Role (uncredited) | Minor Role (uncredited) |
 Chuck HaywardCard Player / Raft Man (uncredited) | Card Player / Raft Man (uncredited) |
| LLeon AltonBoarding House Guest (uncredited) | Boarding House Guest (uncredited) |
| FForrest BurnsCourtroom Spectator (uncredited) | Courtroom Spectator (uncredited) |
| AAlbert CavensBoarding House Guest (uncredited) | Boarding House Guest (uncredited) |
 Gene CooganBoarding House Guest (uncredited) | Boarding House Guest (uncredited) |
 Myron HealeyDeputy at Prisoner Unloading (uncredited) | Deputy at Prisoner Unloading (uncredited) |
