
American actor and former Screen Actors Guild president, Daniels is known for The Graduate (1967), John Adams in 1776, Mr. Feeny in Boy Meets World, and the voice of KITT in Knight Rider — a career spanning six decades of film and television. Across 58 tracked productions, 6,543 of his 14,127 co-stars are still alive and 3,726 have passed away.
Filmography95 titles
| Year | Title | Character | Age at release |
|---|---|---|---|
| 2025 | The CreepsMovie | Kitt | 98 |
| 2020 | SuperintelligenceMovie | KITT (voice) | 93 |
| 2014 | Girl Meets WorldSeries | George Feeny | 87 |
| 2010 | Comedy Central Roast of David HasselhoffMovie | K.I.T.T. (voice) | 83 |
| 2007 | Blades of GloryMovie | Commissioner Ebbers | 80 |
| 2005 | The CloserSeries | Andrew Schmidt | 78 |
| 2005 | Grey's AnatomySeries | Craig Thomas | 78 |
| 2005 | Dancing with the StarsSeries | Self - Guest Dancer | 78 |
| 2004 | Boston LegalSeries | Milton Brody | 77 |
| 2003 | The Lyon's DenSeries | — | 76 |
| 2003 | Comedy Central RoastsSeries | Self | 76 |
| 2002 | Kim PossibleSeries | Robot Pilot (voice) | 75 |
| 2002 | NBC 75th Anniversary SpecialMovie | Self | 75 |
| 2001 | ScrubsSeries | Dr. Douglas | 74 |
| 1998 | The King of QueensSeries | Phillip Waldscott | 71 |
| 1996 | The LotteryMovie | Reverend Hutchinson | 69 |
| 1995 | Maybe This TimeSeries | George Feeny | 68 |
| 1994 | Touched by an AngelSeries | George | 67 |
| 1994 | Magic Kid IIMovie | Manny | 67 |
| 1994 | The American RevolutionSeries | John Adams | 67 |
| 1993 | Boy Meets WorldSeries | George Feeny | 66 |
| 1992 | Back to the Streets of San FranciscoMovie | Julius Burns | 65 |
| 1990 | On Thin Ice: The Tai Babilonia StoryMovie | John Nicks | 63 |
| 1989 | The SimpsonsSeries | KITT (voice) | 62 |
| 1989 | Her AlibiMovie | Sam | 62 |
| 1989 | Making a Case for MurderMovie | Slaney | 62 |
| 1987 | Blind DateMovie | Harold Bedford | 60 |
| 1987 | The Little Match GirlMovie | Haywood Dutton | 60 |
| 1986 | The Princess Who Had Never LaughedMovie | Narrator | 59 |
| 1985 | Night of 100 Stars IIMovie | Self | 58 |
| 1984 | Laugh BustersMovie | KITT (voice) | 57 |
| 1982 | St. ElsewhereSeries | Mark Craig | 55 |
| 1982 | Faerie Tale TheatreSeries | Narrator (voice) | 55 |
| 1982 | Knight RiderSeries | KITT (voice) | 55 |
| 1982 | Drop-Out FatherMovie | Draper Wright | 55 |
| 1982 | Knight Rider: Knight of the PhoenixMovie | KITT (voice) | 55 |
| 1982 | Rehearsal for MurderMovie | Walter Lamb | 55 |
| 1981 | RedsMovie | Julius Gerber | 54 |
| 1981 | The Million Dollar FaceMovie | Henry Burns | 54 |
| 1980 | The Blue LagoonMovie | Arthur Lestrange | 53 |
| 1980 | Galactica 1980Series | Norman Blore | 53 |
| 1980 | Conquest of the EarthMovie | Norman | 53 |
| 1980 | Freebie and the BeanSeries | Walter Cruikshank | 53 |
| 1980 | City in FearMovie | Freeman Stribling | 53 |
| 1980 | Damien: The Leper PriestMovie | Bishop Koeckemann | 53 |
| 1979 | Hart to HartSeries | Simon Richardson | 52 |
| 1979 | Trapper John, M.D.Series | — | 52 |
| 1979 | Blind AmbitionSeries | G. Gordon Liddy | 52 |
| 1979 | The RebelsSeries | John Adams | 52 |
| 1979 | SunburnMovie | Crawford | 52 |
| 1979 | The Chinese TypewriterMovie | C. Donald Devlin | 52 |
| 1979 | Bleacher BumsMovie | — | 52 |
| 1978 | Diff'rent StrokesSeries | — | 51 |
| 1978 | The BastardSeries | Samuel Adams | 51 |
| 1978 | Sergeant Matlovich vs. the U.S. Air ForceMovie | Father Veller | 51 |
| 1978 | Grandpa Goes to WashingtonSeries | — | 51 |
| 1978 | The One and OnlyMovie | Mr. Crawford | 51 |
| 1978 | Big Bob Johnson and His Fantastic Speed CircusMovie | Lawrence Stepwell III | 51 |
| 1977 | The Incredible HulkSeries | Dr. John Bonifant | 50 |
| 1977 | Black SundayMovie | Pugh | 50 |
| 1977 | Oh, God!Movie | George Summers | 50 |
| 1977 | SoapSeries | Heinrich Himmel | 50 |
| 1977 | The Return of the Incredible HulkMovie | John Bonifant | 50 |
| 1977 | The Court-Martial of George Armstrong CusterMovie | Major Marcus Reno | 50 |
| 1976 | Quincy, M.E.Series | Paul Reardon | 49 |
| 1976 | The Adams ChroniclesSeries | John Quincy Adams | 49 |
| 1976 | The Nancy Walker ShowSeries | Kenneth Kitteridge | 49 |
| 1975 | Medical StorySeries | Jeffrey Brody | 48 |
| 1975 | Barbary CoastSeries | Harry Boyle | 48 |
| 1975 | One of Our OwnMovie | Dr. Moresby | 48 |
| 1974 | The Rockford FilesSeries | Gary Bevins | 47 |
| 1974 | The Parallax ViewMovie | Austin Tucker | 47 |
| 1974 | Kolchak: The Night StalkerSeries | Police Lt. Jack Matteo | 47 |
| 1974 | A Case of RapeMovie | Leonard Alexander | 47 |
| 1973 | The LieMovie | Albert | 46 |
| 1973 | TomaSeries | — | 46 |
| 1973 | Murdock's GangMovie | Roger Bates | 46 |
| 1972 | 1776Movie | John Adams | 45 |
| 1971 | CannonSeries | — | 44 |
| 1971 | McMillan & WifeSeries | Commander Campbell | 44 |
| 1970 | McCloudSeries | — | 43 |
| 1969 | MarloweMovie | Mr. Cromwell | 42 |
| 1968 | The Mod SquadSeries | — | 41 |
| 1968 | The Good GuysSeries | — | 41 |
| 1967 | Judd, for the DefenseSeries | — | 40 |
| 1967 | IronsideSeries | — | 40 |
| 1967 | The GraduateMovie | Mr. Braddock | 40 |
| 1967 | Two for the RoadMovie | Howard Manchester | 40 |
| 1967 | The President's AnalystMovie | Wynn Quantrill | 40 |
| 1967 | Captain NiceSeries | Carter Nash | 40 |
| 1966 | T.H.E. CatSeries | Tony Webb | 39 |
| 1965 | A Thousand ClownsMovie | Albert Amundsen | 38 |
| 1961 | The DefendersSeries | Malloy | 34 |
| 1958 | Naked CitySeries | Harry Culverin | 31 |
| 1951 | Hallmark Hall of FameSeries | — | 24 |