2021

(8 episodes) as Samuel Finnix

2020

(5 episodes) as Self

2018		Basketball: A Love Story (1 episode) as Self (archive footage)
2018		Norm Macdonald Has a Show (1 episode) as Self - Guest

2015		The Late Show with Stephen Colbert (1 episode) as Self - Guest
2015		Documentary Now! (2 episodes) as Bill Doss

2014		Variety Studio: Actors on Actors (2 episodes) as Self
2014		Last Week Tonight with John Oliver (1 episode) as Richard Sackler
2014		Late Night with Seth Meyers (1 episode) as Self
2014		The Tonight Show Starring Jimmy Fallon (2 episodes) as Self

2012

(1 episode) as Himself

2010

(42 episodes) as Host

2007		The Company (3 episodes) as James Jesus Angleton
2007		The Graham Norton Show (1 episode) as Self

2006

(2 episodes) as Tom

2003		The Ellen DeGeneres Show (1 episode) as Self
2003		Jimmy Kimmel Live! (1 episode) as Self

1997

(1 episode) as Trip Larsen (voice)

1996

(1 episode) as Self - Guest

1993		Frasier (1 episode) as Blaine Sternin
1993		Late Night with Conan O'Brien (1 episode) as Self - Guest

1989

(1 episode) as Jack Crowley (voice)

1987

(1 episode) as Self

1982

(6 episodes)

1979		Working Stiffs (9 episodes)
1979		The Mary Tyler Moore Hour (11 episodes)

1976		The Tony Randall Show (2 episodes) as Zeke
1976		All's Fair (5 episodes)

1975

(1 episode) as Self - Cameo (uncredited) (3 episodes) as Self - Host

1962

(1 episode) as Self

1961

(1 episode) as Self

1953

(2 episodes) as Self

2021

(8 episodes) … Executive Producer