Tom Poston
- Committed
2005 Clown
- The Suite Life of Zack & Cody
2005 Merle
- Christmas with the Kranks
2004 Father Zabriskie
- The Princess Diaries 2: Royal Engagement
2004 Lord Palimore
- Beethoven's 5th
2003 John Giles / Selig
- 8 Simple Rules
2002 Jake
- Good Morning, Miami
2002 Lenny
- The Ellen Show
2001
- The Lone Gunmen
2001
- The Story of Us
1999 Harry
- Krippendorf's Tribe
1998 Gordon Hargrove
- That '70s Show
1998 Burt Sigurdson
- Will & Grace
1998 Norman
- King of the Hill
1997 Mr. Popper (voice)
- Dharma & Greg
1997 Dr. Gillespie
- Just Shoot Me!
1997 Herb
- George & Leo
1997
- Malcolm & Eddie
1996
- Suddenly Susan
1996 Mr. Vance
- Cosby
1996
- Sabrina, the Teenage Witch
1996 Mortgage Banker
- The Drew Carey Show
1995 Roscoe Harvey
- Touched by an Angel
1994 Ed Yablonsky
- ER
1994 Earl
- Grace Under Fire
1993
- Diagnosis: Murder
1993 Tom Porter
- Dr. Quinn, Medicine Woman
1993 Mysterious "Dead Man"
- Bob
1992 Jerry Fleisher
- The Larry Sanders Show
1992 Tom Poston
- Home Improvement
1991 Clerk
- Harry and the Hendersons
1991 Homeless Man
- Rugrats
1991 Roy (voice)
- A Quiet Little Neighborhood, a Perfect Little Murder
1990 Don Corman
- Dream On
1990 Sidney 'Uncle Bouncy' Barish
- Good Grief
1990
- Murphy's Laws of Golf
1989 George
- The Simpsons
1989 Capital City Goofball (voice)
- Coach
1989 Dr. Art Hibke
- Family Matters
1989 Mr. Looney
- Save the Dog!
1988
- Murphy Brown
1988 Old Man Swenson
- Fresno
1986 Doc Parseghian
- Crazy like a Fox
1984 Fiedler
- St. Elsewhere
1982 Jim Morrison
- Hotel
1982 Tommy Rooney
- Newhart
1982 George Utley
- The Girl, the Gold Watch & Dynamite
1981 Omar Krepps
- Carbon Copy
1981 Reverend Hayworth
- Up the Academy
1980 Sgt. Skip Sisson
- Good Time Harry
1980
- Beane's of Boston
1979 Frank Beane
- $weepstake$
1979 Leeds
- Rabbit Test
1978 Minister
- Fame
1978 Car Salesman
- A Guide for the Married Woman
1978 Marty Gibson
- Mork & Mindy
1978 Franklin Delano Bickley
- Flying High
1978
- The Magnificent Magical Magnet of Santa Mesa
1977 William Bensinger
- CHiPs
1977 Bill Conner
- The Love Boat
1977 Mickey O'Day
- We've Got Each Other
1977 Damon Jerome
- Alice
1976
- All's Fair
1976
- The Happy Hooker
1975 J. Arthur Conrad
- On the Rocks
1975
- The Bob Newhart Show
1972 Cliff Murdock
- Cold Turkey
1971 Mr. Stopworth
- The Good Guys
1968
- Get Smart
1965 Dr. Zharko
- The Old Dark House
1963 Tom Penderel
- Soldier in the Rain
1963 Lieutenant Magee
- Bob Hope Presents the Chrysler Theatre
1963 Janitor / Lieutenant Courtney
- Zotz!
1962 Jonathan Jones
- The Tempest
1960 Trinculo
- Thriller
1960 Charlie Denham
- The Christmas Tree
1958 Tom
- Playwrights '56
1955
- The Phil Silvers Show
1955 Lt. Franklin
- City That Never Sleeps
1953 Detective (as Thomas Poston)
- Hallmark Hall of Fame
1951 Tom
- Robert Montgomery Presents
1950 Standard Who
- Lights Out
1949
- Studio One
1948 Alec Gordon
