William David Daniels (born March 31, 1927) is an American actor and former president of the Screen Actors Guild (1999 to 2001). He is known for his performance as Dustin Hoffman's father in The Graduate (1967), as John Adams in 1776, as Carter Nash in Captain Nice, as Mr. George Feeny in ABC's Boy Meets World, as the voice of KITT in Knight Rider, and as Dr. Mark Craig in St. Elsewhere, for which he won two Emmy Awards.

Filmography

• 2026The Creeps - Behind the Scenes — Thanks
• 2025115 — Kraft Intelligence (voice)
• 2025The Creeps — Kitt
• 2020Superintelligence — KITT (voice)
• Girl Meets World — George Feeny
• 2010Comedy Central Roast of David Hasselhoff — K.I.T.T. (voice)
• 2007Blades of Glory — Commissioner Ebbers
• Grey's Anatomy — Craig Thomas
• The Closer — Andrew Schmidt
• Boston Legal — Milton Brody
• The Lyon's Den
• Kim Possible — Robot Pilot (voice)
• Scrubs — Dr. Douglas
• The King of Queens — Phillip Waldscott
• 1996The Lottery — Reverend Hutchinson
• Maybe This Time — George Feeny
• 1994Magic Kid II — Manny
• The American Revolution — John Adams
• Touched by an Angel — Whit Russell, George
• Boy Meets World — George Feeny
• 1992Back to the Streets of San Francisco — Julius Burns
• 1991Clara — Detective Lieutenant Fine
• The General Motors Playwrights Theater — Detective Lieutenant Fine
• 1990On Thin Ice: The Tai Babilonia Story — John Nicks
• 1989Her Alibi — Sam
• 1989Making a Case for Murder — Slaney
• The Simpsons — KITT (voice)
• 1987Blind Date — Harold Bedford
• 1987The Little Match Girl — Haywood Dutton
• 1986The Princess Who Had Never Laughed — Narrator
• 1984Laugh Busters — KITT (voice)
• 1982Drop-Out Father — Draper Wright
• Faerie Tale Theatre — Narrator (voice)
• Knight Rider — KITT (voice)
• 1982Knight Rider: Knight of the Phoenix — KITT (voice)
• 1982Rehearsal for Murder — Walter Lamb
• 1982Rooster — Dr. DeVega
• St. Elsewhere — Mark Craig, Director
• 1981All Night Long — Richard H. Copleston
• 1981Reds — Julius Gerber
• 1981The Million Dollar Face — Henry Burns
• 1980City in Fear — Freeman Stribling
• 1980Conquest of the Earth — Norman
• 1980Damien: The Leper Priest — Bishop Koeckemann
• Freebie and the Bean — Walter Cruikshank
• Galactica 1980 — Norman Blore
• 1980The Blue Lagoon — Arthur Lestrange
• 1979Bleacher Bums
• Blind Ambition — G. Gordon Liddy
• Hart to Hart — Simon Richardson
• 1979Sunburn — Crawford
• 1979The Chinese Typewriter — C. Donald Devlin
• The Rebels — John Adams
• Trapper John, M.D.
• 1978Big Bob Johnson and His Fantastic Speed Circus — Lawrence Stepwell III
• Diff'rent Strokes
• Grandpa Goes to Washington
• 1978Sergeant Matlovich vs. the U.S. Air Force — Father Veller
• The Bastard — Samuel Adams
• 1978The One and Only — Mr. Crawford
• 1977Black Sunday — Pugh
• 1977Killer on Board — Marshall Snowden
• 1977Oh, God! — George Summers
• Soap — Heinrich Himmel
• 1977The Court-Martial of George Armstrong Custer — Major Marcus Reno
• The Incredible Hulk — Dr. John Bonifant
• 1977The Return of the Incredible Hulk — John Bonifant
• 1976Francis Gary Powers: The True Story of the U-2 Spy Incident — Bissell
• Quincy, M.E. — Paul Reardon, Dr. Charlie Volmer
• The Adams Chronicles — John Quincy Adams
• The Nancy Walker Show — Kenneth Kitteridge
• Barbary Coast — Harry Boyle
• Medical Story — Jeffrey Brody
• 1975One of Our Own — Dr. Moresby
• 1975Sarah T. - Portrait of a Teenage Alcoholic — Matt Hodges
• 1974A Case of Rape — Leonard Alexander
• Kolchak: The Night Stalker — Police Lt. Jack Matteo
• 1974The Parallax View — Austin Tucker
• The Rockford Files — Thomas Caine, Gary Bevins
• 1973Murdock's Gang — Roger Bates
• 1973The Fabulous Doctor Fable — Elliot Borden
• 1973The Lie — Albert
• Toma
• 19721776 — John Adams
• The Bob Newhart Show — Edgar T. Vickers Jr.
• Cannon
• McMillan & Wife — Commander Campbell
• McCloud — Fred Pearson
• 1969Marlowe — Mr. Cromwell
• The Good Guys
• The Mod Squad
• Captain Nice — Carter Nash
• Ironside
• Judd, for the Defense
• 1967The Graduate — Mr. Braddock
• 1967The President's Analyst — Wynn Quantrill
• 1967Two for the Road — Howard Manchester
• T.H.E. Cat — Tony Webb
• 1965A Thousand Clowns — Albert Amundsen
• 1963Ladybug Ladybug — Mr. Calkins
• The Defenders — Malloy, Mike Herman
• Naked City — Harry Culverin
• Hallmark Hall of Fame — John Quincy Adams

Appearances as themselves (5)

• Dancing with the Stars — Self - Guest Dancer
• Comedy Central Roasts — Self
• 2002NBC 75th Anniversary Special — Self
• 1985Night of 100 Stars II — Self
• Tony Awards — Self - Performer