Thomas Gordon "Tom" Poston (October 17, 1921 – April 30, 2007) was an American television and film actor. He starred on television in a career that began in 1950. He appeared as a comic actor, game show panelist, comedy/variety show host, film actor, television actor, and Broadway performer.
Description above from the Wikipedia article Tom Poston, licensed under CC-BY-SA, full list of contributors on Wikipedia.
Rabbit Test
As Minister
Beethoven's 5th
As John Giles / Selig
The Story of Us
As Harry
Up the Academy
As Sgt. Skip Sisson
Fame
As Car Salesman
City That Never Sleeps
As Detective (as Thomas Poston)
Beane's of Boston
As Frank Beane
Christmas with the Kranks
As Father Zabriskie
The Old Dark House
As Tom Penderel
Cold Turkey
As Mr. Stopworth
The Magnificent Magical Magnet of Santa Mesa
As William Bensinger
Zotz!
As Prof. Jonathan Jones
The Happy Hooker
As J. Arthur Conrad
The Girl, the Gold Watch & Dynamite
As Omar Krepps
Save the Dog!
Soldier in the Rain
As Lieutenant Magee
A Guide for the Married Woman
As Marty Gibson
The Christmas Tree
As Tom
Carbon Copy
As Reverend Hayworth
A Quiet Little Neighborhood, a Perfect Little Murder
As Don Corman
The Tempest
As Trinculo
Krippendorf's Tribe
As Gordon Hargrove
The Princess Diaries 2: Royal Engagement
As Lord Palimore
That '70s Show
As Burt Sigurdson
St. Elsewhere
Malcolm & Eddie
Alice
CHiPs
The Simpsons
As Capital City Goofball (voice)
Dream On
As Sidney 'Uncle Bouncy' Barish
Suddenly Susan
As Mr. Vance
Home Improvement
As Clerk
Honey, I Shrunk the Kids: The TV Show
The Good Guys
The Love Boat
As Mickey O'Day
Touched by an Angel
As Ed Yablonsky
King of the Hill
As Mr. Popper (voice)
Committed
As Clown
Coach
As Dr. Art Hibke
The Ellen Show
The Merv Griffin Show
As Self
Mork & Mindy
As Franklin Delano Bickley
Grace Under Fire
Hotel
Dharma & Greg
As Dr. Gillespie
Diagnosis: Murder
As Tom Porter
Newhart
As George Utley
Family Matters
As Mr. Looney
All's Fair
8 Simple Rules... for Dating My Teenage Daughter
As Jake
Studio One
As Alec Gordon
Dr. Quinn, Medicine Woman
The Suite Life of Zack & Cody
As Merle
The Lone Gunmen
Will & Grace
As Norman
Get Smart
Hallmark Hall of Fame
As Tom
Cosby
Just Shoot Me!
As Herb
Crazy like a Fox
As Fiedler
Thriller
As Charlie Denham
Robert Montgomery Presents
Playwrights '56
We've Got Each Other
As Damon Jerome
The Steve Allen Show
As Self
Sweepstakes
Lights Out
Flying High
Good Day Live
As Self
Startime
On the Rocks
Good Time Harry
Good Grief
Sabrina, the Teenage Witch
As Mortgage Banker
ER
As Earl
The Ed Sullivan Show
As Self
Fresno
As Doc Parseghian
What's My Line?
As Self - Mystery Guest
Harry and the Hendersons
As Homeless Man
Bob Hope Presents the Chrysler Theatre
As Janitor / Lieutenant Courtney
The Drew Carey Show
As Roscoe Harvey
George & Leo
Bob
As Jerry Fleisher
Good Morning, Miami
As Lenny
The George Gobel Show
As Self