- Kiss Kiss Fingerbang
2015 Cat Owner
- The Humbling
2014 Screenplay
- Passion for Snow
2013 Narrator
- A Bird of the Air
2011 Duncan Weber
- Franklin & Bash
2011 Judge Henry Dinsdale
- Hot in Cleveland
2010 Fred
- Get Smart
2008 Characters
- Students of 'The Graduate'
2007 Himself
- 30 Rock
2006 Dick Lemon
- The Last Shot
2004 Lonnie Bosco
- Serendipity
2001 Customer at Bloomingdales (uncredited)
- Town & Country
2001 Writer
- Lisa Picard Is Famous
2000 Buck Henry
- Breakfast of Champions
1999 Fred T. Barry
- Law & Order: Special Victims Unit
1999 Mr. Morton
- Dilbert
1999 Dadbert (voice)
- The Real Blonde
1998 Dr. Leuter
- Curtain Call
1998 Charles Van Allsburg
- I'm Losing You
1998 Phillip Dagrom
- Will & Grace
1998 Leonard
- 1999
1997 Mr. Goldman
- Shakespeare's Plan 12 from Outer Space
1996 The Priest
- Harrison Bergeron
1995 TV Producer
- To Die For
1995 Screenplay
- Even Cowgirls Get the Blues
1994 Dr. Dreyfus
- Short Cuts
1993 Gordon Johnson
- Grumpy Old Men
1993 Snyder
- The Player
1992 Buck Henry
- Keep the Change
1992 Smitty
- Mastergate
1992 Clay Fielder
- The Lounge People
1992 Lewis Louis
- The Graduate at 25
1992 Himself
- Eek! The Cat
1992 Cupid (voice)
- The Linguini Incident
1991 Cecil
- Defending Your Life
1991 Dick Stanley
- Tune in Tomorrow...
1990 Father Serafim
- Rude Awakening
1989 Lloyd Stool
- Tales from the Crypt
1989 George
- Hot to Trot
1988 Fred's Dad
- Murphy Brown
1988 Dr. Victor Rudman
- Aria
1987 Preston
- The Best of John Belushi
1985 Various Characters
- The New Alfred Hitchcock Presents
1985 Writer
- The New Show
1984
- Protocol
1984 Screenplay
- Eating Raoul
1982 Mr. Leech
- Strong Medicine
1981
- Falcon Crest
1981 Foster Glenn
- Gloria
1980 Jack Dawn
- First Family
1980 Director
- The Nude Bomb
1980 Characters
- Old Boyfriends
1979 Art Kopple
- Heaven Can Wait
1978 Director
- The Absent-Minded Waiter
1977 Bernie Cates
- Quark
1977 Writer
- The Man Who Fell to Earth
1976 Oliver Farnsworth
- The Day of the Dolphin
1973 Screenplay
- What's Up, Doc?
1972 Screenplay
- Taking Off
1971 Larry Tyne
- Is There Sex After Death?
1971 Dr. Louise Manos
- I Miss Sonia Henie
1971 Director
- Catch-22
1970 Screenplay
- The Owl and the Pussycat
1970 Screenplay
- Candy
1968 Screenplay
- The Secret War of Harry Frigg
1968 Stockade Commandant
- The Graduate
1967 Screenplay
- Get Smart: A Man Called Smart
1967 Writer
- Captain Nice
1967 Writer
- ABC Stage 67
1966 Writer
- Get Smart
1965 Writer
- The Troublemaker
1964 Screenplay
- The Bridge
1959 Voice of American Soldier
- Untitled Get Smart Reboot
Characters
