Television (series, game shows, etc.)

• 100 Years of Hope and Humor (2003)
• 58th Annual Academy Awards, The (1986)
• 77th Annual Academy Awards, The (2005)
• Biography: Alan Alda (2000)
• Broadway Backstage (3/5/2005)
• Carol Burnett and Friends (1977)
• The Carol Burnett Show (12/21/1974)
• CBS at 75 (11/2/2003)
• CBS: On the Air (1978)
• CBS: The First 50 Years (1998)
• Coronet Blue [Clay in 'Six Months to Mars'] (7/3/1967)
• Early Show, The (1/4/2005)
• East Side/West Side [Freddie Wilcox in 'The Sinner'] (9/23/1963)
• 30th Annual Primetime Emmy Awards, The (1978)
• 28th Annual Primetime Emmy Awards, The (1976)
• Emmy's Greatest Moments (2004)
• Entertainment Tonight (1999)
• ER
  • [Dr. Gabriel Lawrence in 'Greene with Envy'] (10/14/1999)
  • [Dr. Gabriel Lawrence in 'Sins of the Fathers'] (10/21/1999)
  • [Dr. Gabriel Lawrence in 'Truth & Consequences'] (11/4/1999)
  • [Dr. Gabriel Lawrence in 'Peace of Wild Things, The'] (11/11/1999)
  • [Dr. Gabriel Lawrence in 'Humpty Dumpty'] (11/18/1999)
• Four Seasons, The (1984)
• History vs. Hollywood [himself in 'The Aviator'] (12/15/2004)
• Howie (1998)
• Influences [host] (2000-2001)
• Inside the Actor's Studio (2001)
• Intimate Portrait: Marlo Thomas (2000)
• Kennedy Center Honors: A Celebration of the Performing Arts, The (1994)
• Kennedy Center Honors: A Celebration of the Performing Arts, The (1979)
• Late Late Show with Craig Ferguson, The (2/11/2005)
• Late Night with Conan O'Brien (7/15/1998, 2/1/2005)
• Live with Regus & Kathy Lee
• Making M*A*S*H (1981)
• M*A*S*H (1972-83)
• M*A*S*H 30th Anniversary Reunion (5/17/2002)
• M*A*S*H, Tootsie, & God: the Writers Guild Tribute to Larry Gelbart (1998)
• M*A*S*H: TV Tales (2002)
• Memories of M*A*S*H (1991)
• Nurses, The
  • ['Many a Sullivan'] (1/17/63)
  • ['Night Sounds'] (1/24/1963)
• One on One: Classic Television Interviews (1993)
• Phil Silvers Show, The [Carlisle Thompson III in 'Bilko, the Art Lover'] (3/7/58)
• Politically Incorrect
• The Rosie O'Donnell Show (1/6/1997, 3/18/1998)
• Route 66 ['Soda Pop and Paper Flags'] (5/31/63)
• Scientific American Frontiers [host] (1990-present)
• Secret File, U.S.A. (1955)
• Showbiz Tonight (2/22/2005)
• Tavis Smiley (12/2/2004)
• That Was the Week That Was (1964)
• Tonight Show with Jay Leno, The (2/10/2005)
• 46th Annual Tony Awards, The (1992)
• 19th Annual Tony Awards, The (1965)
• Tony Danza Show, The (12/15/2004)
• Trials of O'Brien, The ['Picture Me A Murder'] (11/27/1965)
• TV Guide 50 Best Shows of All Time: A 50th Anniversary Celebration (2002)
• West Wing, The [Sen. Arnold Vinick] (2004-2006)
• What's My Line? [guest panelist] (1968)

Other

• American Teacher Awards [presenter] (1994)
• Apple computer commercials
• Free to Be... You & Me [various character voices] (1974)
• IBM commercials
• Story Theatre (1971)

• Betsy's Wedding (1990)
• New Life, A (1988)
• Sweet Liberty (1986)
• Four Seasons, The (1981)
• Seduction of Joe Tynan, The (1979)

• Four Seasons, The (creator) (1984)
• M*A*S*H ('The Longjohn Flap', 'Dear Sigmund', 'Goodbye, Farewell and Amen', others) (1973-1983)
• We'll Get By (creator) (1975)

• Betsy's Wedding (1990)
• New Life, A (1988)
• Sweet Liberty (1986)
• Four Seasons, The (1981)

• M*A*S*H ('Mail Call', 'Fallen Idol', 'Goodbye, Farewell and Amen', others) (1974-1983)

• Four Seasons, The (executive producer) (1984)

• M*A*S*H (creative consultant) (197?-1983)

Audio Books

• Six Degrees of Separation (Audio Theatre Series)

Books

• Never Have Your Dog Stuffed (author)
• The Last Days of Mash (co-author)