Acting

2022

(1 episode)

2018

(6 episodes) as Narrator (voice)

2017

(6 episodes) as Narrator (voice)

2015

(94 episodes) as Robert Hanson

2014

(1 episode) as Self

2012

(2 episodes) as Martin (4 episodes) as Martin Goodson

2011

(0 episodes) as Himself - Narrator

2010

(1 episode) as Self

2009

(1 episode)

2007

(1 episode) as Self

2006		America's Game: The Super Bowl Champions (4 episodes) as Narrator (voice)
2006		Studio 60 on the Sunset Strip (1 episode) as Radio Host
2006		The One Show (1 episode) as Self
2006		10 Days That Unexpectedly Changed America (1 episode)

2005

(1 episode)

2003		Celebrity Poker Showdown (1 episode) as Self
2003		Two and a Half Men (1 episode) as Harvey
2003		The Ellen DeGeneres Show (4 episodes) as Self
2003		The Perilous Fight: America's World War II in Color (4 episodes) as Narrator

1999		The West Wing (154 episodes) as President Josiah Bartlet
1999		Chicken Soup for the Soul (23 episodes)
1999		Total Recall 2070 (1 episode)

1998

(1 episode)

1997		The View (1 episode) as Self - Guest (2 episodes) as Self
1997		Gun (6 episodes) as Van Guinness

1996		Spin City (1 episode) as Ray Harris / Ray Crawford
1996		E! True Hollywood Story (2 episodes)
1996		The Rosie O'Donnell Show (1 episode) as Self - Guest

1994		Eyewitness (26 episodes) as Narrator
1994		Inside the Actors Studio (1 episode) as Self

1993		A Matter of Justice (2 episodes)
1993		Late Night with Conan O'Brien (3 episodes) as Self - Guest
1993		Alex Haley's Queen (3 episodes) as James Jackson Sr.

1992

(2 episodes)

1990

(11 episodes) as Sly Sludge (voice)

1989		The Simpsons (1 episode) as Real Seymour Skinner (voice)
1989		Tales from the Crypt (1 episode) as Kraygen / Thomas Miller / Zorbin the Magnificent

1985		The New Alfred Hitchcock Presents (1 episode) as Paul Dano
1985		Spaceflight (4 episodes)
1985		The Atlanta Child Murders (2 episodes) as Chet Dettlinger

1983

(7 episodes) as John F. Kennedy

1982

(1 episode) as Narrator (voice)

1979

(4 episodes) as John Dean

1975

(1 episode) as Self - Host (1 episode) as Self - Cameo (uncredited)

1974

(2 episodes) as Atty. Gen. Robert F. Kennedy

1973		Love Story (US) (12 episodes) as Frank Randolph
1973		Toma (1 episode)

1972		The Streets of San Francisco (1 episode)
1972		Ghost Story (1 episode) as Frank
1972		The Rookies (1 episode)

1971		Sarge (14 episodes) as Dan
1971		Columbo (1 episode) as Karl Lessing
1971		Cannon (3 episodes)

1970		Matt Lincoln (17 episodes) as Charles
1970		The Young Lawyers (24 episodes) as Reverend Jimmy Haines

1969

(1 episode)

1968		The Mod Squad (1 episode) as Danny Morgan
1968		Lancer (1 episode)
1968		Hawaii Five-O (1 episode) as Arthur Dixon (1 episode) as Eddie Calhao

1967		Mannix (1 episode)
1967		N.Y.P.D. (49 episodes) as Fred Janney
1967		Ironside (1 episode) as Johnny

1966		Mission: Impossible (1 episode)
1966		Hawk (17 episodes) as Peter Janus

1965		The F.B.I. (1 episode) as Neil Harland (1 episode) as Steve Chandler (1 episode) as Perry Victor (1 episode) as Norman Gretzler
1965		For the People (13 episodes) as Louis Cahane

1964

(1 episode) as Phil Adams

1963		The Outer Limits (1 episode) as Pvt. Arthur Dix
1963		Arrest and Trial (1 episode)

1962

(98 episodes) as Carl (98 episodes) as Saunders

1961

(1 episode) as Adam Novins (1 episode) as Joey Americus (1 episode) as Dino Locatelli (1 episode) as Arnold McCabe

1960		Route 66 (1 episode)
1960		Insight (133 episodes) as Bobo (133 episodes) as Akardin (133 episodes) as Jamie Conklin (133 episodes) as God (133 episodes) as Vincent
1960		Police Surgeon (12 episodes) as Ben Grover

1958

(1 episode) as Counterman (1 episode) as Nick (uncredited) (1 episode) as Phillip Kosnik

1956

(305 episodes) as Roy Sanders

1951

(1 episode) as Taxi Driver