True Grit (1969)

"The strangest trio ever to track a killer"
TMDb Score

The murder of her father sends a teenage tomboy on a mission of 'justice', which involves avenging her father's death. She recruits a tough old marshal, 'Rooster' Cogburn because he has 'true grit', and a reputation of getting the job done.

John Wayneas Reuben J. "Rooster" Cogburn
Glen Campbellas "La Boeuf"
Kim Darbyas Mattie Ross