Acting

2017

(3 episodes) as Solomon Waltzer

2016

(10 episodes) as Uncle Pete

2015		The Late Show with Stephen Colbert (1 episode) as Self
2015		StarTalk with Neil deGrasse Tyson (1 episode) as Self

2014		Late Night with Seth Meyers (1 episode) as Self
2014		Broad City (1 episode) as Dr. Jay Heller

2013

(5 episodes) as Fitch

2010

(1 episode) as Self

2007

(1 episode)

2006		30 Rock (3 episodes) as Milton Greene
2006		Rachael Ray (2 episodes)

2005		The Colbert Report (1 episode)
2005		The Late Late Show with Craig Ferguson (1 episode) as Self

2004

(3 episodes) as Self - Guest

2003

(1 episode) as Self

2001		Good Day Live (2 episodes) as Self
2001		Club Land (1 episode) as Willie Walters

1999

(44 episodes) as Arnold Vinick

1997

(4 episodes) as Self - Guest

1996

(1 episode) as Self

1994		ER (5 episodes) as Gabriel Lawrence
1994		Inside the Actors Studio (1 episode) as Self

1993		Intimate Portrait (1 episode) as Self
1993		Late Night with Conan O'Brien (3 episodes) as Self - Guest

1990

(96 episodes)

1988

(1 episode)

1984

(1 episode)

1974

(1 episode) as Self

1972

(251 episodes) as Hawkeye Pierce

1968		Premiere (4 episodes) as Frank St. John
1968		The Dick Cavett Show (1 episode) as Self - Guest

1967		The Carol Burnett Show (1 episode) as Self - Guest / Morton / Various Characters
1967		Coronet Blue (13 episodes) as Clay

1962		The Tonight Show Starring Johnny Carson (1 episode) as Self
1962		The Merv Griffin Show (2 episodes) as Self
1962		The Nurses (98 episodes) as Dr. John Griffin

1961

(1 episode) as Self - Guest Host

1960

(1 episode) as Dr. Glazer

1958

(1 episode) as Young Poet

1956

(1 episode) as Self - Presenter

1953

(2 episodes) as Self

1949

(1 episode) as Self

Writing

1984

(1 episode) … Writer

1972

(1 episode) … Story (19 episodes) … Writer

Production

—

(1 episode) … Producer

1984

(13 episodes) … Producer

Crew

1990

(1 episode) … Presenter

1972

(1 episode) … Creative Consultant

Creator

1984

… Creator

1975

… Creator

Directing

1972

(31 episodes) … Director