Duvall's cowboy emodies everything the Western is about: courage under fire, grace under pressure, and quiet dignity.
It doesn't get the hype of Pacino's or Brando's, but Duvall's understated performance as Tom Hagen is equally excellent.
In a smaller role, Duvall's surfing commander loves the smell of napalm in the morning, as well as killer waves.
Duvall's coming-out party was a smaller role, but "Boo" Radley is a movie character who's stood the test of time.
In the movie that started it all, Duvall shines as the straight man, allowing his co-stars to go wild.
As a bullying parent who terrorizes everyone, including his own kids, Duvall makes you both hate him and admire his bravado.
Duvall brings the fire to the role of a preacher who's no saint, in a movie he directed, wrote, and even financed.
This quiet, subtle, and underrated role as a washed-out, boozing country singer who finds love is one of Duvall's best.
Duvall showcases his chameleon-like acting capabilities as a slimy network exec who helps usher in the new era of exploitative reality TV.
Duvall plays a psycho with the best of them, as this role as a sadistic, trigger-happy bank robber proves.