Filmography
- Magnolia (1999) .... Earl Partridge
- A Thousand Acres (1997) .... Larry Cook
- Little Big League (1994) .... Thomas Heywood
- The Enemy Within (1994) .... General R. Pendleton Lloyd
- Philadelphia (1993) .... Charles Wheeler
- The Adventures of Huck Finn (1993) .... The King
- Parenthood (1989) .... Frank Buckman
- The American Experience (1988) .... Narrator / ... (4 episodes, 1996-1997)
- The Long Hot Summer (1985) .... Will Varner
- The Day After (1983) .... Dr. Russell Oakes
- Raise the Titanic (1980) .... Admiral James Sandecker
- All the President's Men (1976) .... Ben Bradlee
- Tora! Tora! Tora! (1970) .... General Short
- Once Upon a Time in the West (1969) .... Cheyenne
- A Big Hand for the Little Lady (1966) .... Henry P.G. Drummond
- Long Day's Journey Into Night (1962) .... Jamie Tyrone (as Jason Robards Jr.)
- Hallmark Hall of Fame (1951) .... Abraham Lincoln




