Self
Liv Ullmann: A Road Less Travelled (2023)
George Shultz
The Dropout (2022)
Marshall John Cook
Godless (2017)
The Late Show with Stephen Colbert (2015)
Sol Bergstein
Grace and Frankie (2015)
Jo (2013)
Charlie Skinner
The Newsroom (2012)
Reader (voice)
Prohibition (2011)
Masters of Science Fiction (2007)
The Colbert Report (2005)
Jack McCoy
Law & Order: Trial by Jury (2005)
Law & Order: Special Victims Unit (1999)
Bruce Kaplan (voice)
Perepea (1999)
Thomas Jefferson (voice)
Lewis & Clark - The Journey of the Corps of Discovery (1997)
The View (1997)
Self - Guest
Thomas Jefferson (1997)
Narrator
Time Life's Lost Civilizations (1995)
Homicide: Life on the Street (1993)
HBO First Look (1992)
Forrest Bedford
I'll Fly Away (1991)
Abraham Lincoln
The Civil War (1990)
Law & Order (1990)
Bill Shirer
The Nightmare Years (1989)
G.G. Devoe
Tales from the Crypt (1989)
Lincoln (1988)
Jordan Manmouth
Amazing Stories (1985)
Jeopardy! (1984)
Q.E.D. (1982)
Robert Oppenheimer
Oppenheimer (1980)
Self - Cameo (uncredited)
Saturday Night Live (1975)
Self - Presenter
People's Choice Awards (1975)
Mark
Dr. Kildare (1961)
Travis Coles
Hallmark Hall of Fame (1951)