Henry Gibson (September 21, 1935 – September 14, 2009) was an American actor and songwriter, best known as a cast member of Rowan and Martin's Laugh-In and for his recurring role as Judge Clark Brown on Boston Legal.
Description above from the Wikipedia article Charles Henry Gibson, licensed under CC-BY-SA, full list of contributors on Wikipedia.
Gremlins 2: The New Batch
As Employee Fired for Smoking
The Blues Brothers
As Head Nazi
Nashville
As Haven Hamilton
The Long Goodbye
As Dr. Verringer
Mother Night
As Adolf Eichmann (voice)
Cyber Bandits
As Dr. Knutsen
The Outlaws Is Coming
As Charlie Horse
Disco Beaver from Outer Space
As Self
Tom and Jerry: The Movie
As Doctor Applecheek (voice)
The 'Burbs
As Dr. Werner Klopek
Evil Roy Slade
As Clifford
Wedding Crashers
As Father O'Neil
The Incredible Shrinking Woman
As Dr. Eugene Nortz
Switching Channels
As Ike Roscoe
Big Stan
As Shorts
Trapped Ashes
As Tour Guide
Charlotte's Web
As Wilbur (voice)
Daisy-Head Mayzie
As Cat in the Hat (voice)
The Luck of the Irish
As Reilly O'Reilly
Magnolia
As Thurston Howell
The Pound Puppies
As Nabbit (voice)
Monster in the Closet
As Dr. Philip Pennyworth
Kiss Me, Stupid
As Smith
Halloween Is Grinch Night
As Max (voice)
HealtH
As Bobby Hammer
The Last Remake of Beau Geste
As General Pecheur
Long Gone
As Hale Buchman
Night Visitor
As Jake
Amateur Night at the Dixie Bar and Grill
As Milt Cavanaugh
A Perfect Couple
As Fred Bott
Color of a Brisk and Leaping Day
As Albert Robinson
Nashville Grab
As Art Schmeckle
The Halloween That Almost Wasn't
As Igor
Teddy Bears' Picnic
As Clifford Sloane
To My Great Chagrin: The Unbelievable Story of Brother Theodore
As Himself
Escape to Witch Mountain
As Ravetch
Mullitt
As Bucky
The Wuzzles: Bulls of a Feather
As Eleroo (voice)
For the Love of It
As George
Chitty Chitty Bang Bang
As Dancer (uncredited)
The Mini-Munsters
Innerspace
As Mr. Wormwood
Asylum
As Dr. Edward Bellichek
Return to Green Acres
As E. Mitchell Armstrong
The Night They Took Miss Beautiful
As Rolly Royce
The Year That Trembled
As Ralph Tyler
The Bears Who Saved Christmas: Christopher & Holly
As Flashy (voice)
Violence in Blue
Eloise Goes to School
Tulips
As Maurice Avocado
The Kentucky Fried Movie
As Himself (segment "United Appeal for the Dead")
National Lampoon's Vacation
As Hotel clerk (uncredited)
The Blinkins: The Bear and the Blizzard
As Announcer
Slow Burn
As Robert
The Nutty Professor
As Gibson, College Student
The Magic Balloon
Billy & Mandy: Wrath of the Spider Queen
As Lord Pain (voice)
The Wacky Adventures of Ronald McDonald: The Visitors from Outer Space
As Blue Planet (voice)
Vault of Horror I
As Stanhope
High School U.S.A.
As Vice Principal Roman Ing
The Stories Behind the Making of 'The Blues Brothers'
As Self
Escape from Bogen County
As Abe Rand
Never Die Alone
As Funeral Home Director (uncredited)
Bio-Dome
As William Leaky
Timeless Tales: The Emperor's New Clothes
As Sir Buffoon
The Commission
As Police Chief Jesse Curry
Every Man Needs One
As Walt
Tune in Tomorrow...
As Big John Coot
Murder, She Wrote
As Harold Banner
Magnum, P.I.
All Grown Up!
Hey Arnold!
77 Sunset Strip
Trapper John, M.D.
F Troop
The Guardian
Providence
As Mr. Berry
Wuzzles
As Eleroo
Simon & Simon
Early Edition
The Twilight Zone
King of the Hill
As Bob Jenkins (voice)
The Beverly Hillbillies
As Quirt Manly
Knight Rider
As Donald Crane
Tales from the Crypt
As Stanhope
Quincy, M.E.
The Wild Thornberrys
As Rhino (voice)
Malcolm in the Middle
As Frank Ralston
The Batman
As Bagley (voice)
The Merv Griffin Show
As Self
MacGyver
As Pinky Burnette
Newhart
Bewitched
Wonder Woman
As Mariposa
The Biskitts
As Downer
Stargate SG-1
As Marul
Mister Roberts
Total Recall 2070
Galaxy High School
Cover Up
The Fall Guy
Laredo
Boston Legal
As Judge Clark Brown
Police Woman
Cracking Up
Rowan & Martin's Laugh-In
As Regular Performer
The Glen Campbell Goodtime Hour
As Self
McCloud
Barbary Coast
Sweepstakes
The Grim Adventures of Billy and Mandy
As Lord Pain
Mad About You
As Henry Gibson
Sabrina, the Teenage Witch
As Judge Samuels
The Love Boat
As Harry
Rugrats
Santo Bugito
As Mothmeyer (voice)
Around the World in 80 Days
As Train Conductor
The Mike Douglas Show
As Self
Love, American Style
As Lennie Granger
The Tonight Show Starring Johnny Carson
As Self
The John Larroquette Show
As Priest
Me, Eloise
As Mr. Numblitz (voice)
Charmed
As Sandman
She Spies
As Dr. Meelbow
Coach
As Ted Tilly
Eerie, Indiana