If you haven't seen Duvall from anything in the '60s, you might think about renting TRUE GRIT (1969) and BULLITT (1968).
In terms of television, he was all over the place according to IMDB. He's in another episode of THE OUTER LIMITS, and was also on THE TWILIGHT ZONE and VOYAGE TO THE BOTTOM OF THE SEA, as well as an episode of Roddenberry's THE LIEUTENANT.
In terms of television, he was all over the place according to IMDB. He's in another episode of THE OUTER LIMITS, and was also on THE TWILIGHT ZONE and VOYAGE TO THE BOTTOM OF THE SEA, as well as an episode of Roddenberry's THE LIEUTENANT.