From Wikipedia, the free encyclopedia David Clennon (born May 10, 1943) is an American actor perhaps best known for his portrayal of Miles Drentel in the ABC series Thirtysomething, a role he reprised on Once and Again. Clennon was born in Waukegan, Illinois, the son of Virginia, a homemaker, and Cecil Clennon, an accountant. Clennon is well known for his political activism. In 1980, David Clennon provided the voice for Admiral Motti in NPR's Star Wars The Original Radio Drama. He was a regular on the TV shows Almost Perfect, The Agency and Saved. Most recently, Clennon played Carl Sessick (a.k.a Carl the Watcher) on Ghost Whisperer. In 1993 he won an Emmy award for his guest appearance on the series Dream On. Description above from the Wikipedia article David Clennon, licensed under CC-BY-SA, full list of contributors on Wikipedia.
| Movie | The Thing Expanded | Self | 2027 |
| Movie | The Sound | Kurt | 2025-06-27 |
| Movie | Welcome to the Men's Group | 2016-06-18 | |
| Movie | Dr. Del | Mr. Stone | 2016-01-01 |
| Movie | Amigo Undead | Old Man Schumer | 2015-04-25 |
| Movie | Reversion | Ciespy | 2015-10-09 |
| Movie | Vacation | Harry Co-Pilot | 2015-07-28 |
| Movie | Gone Girl | Rand Elliott | 2014-10-01 |
| Series | Farmed and Dangerous | Bob Sears | 2014-02-17 |
| Movie | Mr. Jones | The Curator | 2013-05-02 |
| Movie | J. Edgar | Senator Friendly | 2011-11-09 |
| Movie | The Good Doctor | Dr. Harbison | 2011-04-23 |
| Movie | Extraordinary Measures | Dr. Renzler | 2010-01-21 |
| Series | The Philanthropist | Unknown | 2009-06-24 |
| Series | The Mentalist | Judge Dellinger | 2008-09-23 |
| Movie | Constellation | Bear | 2007-02-01 |
| Series | October Road | Unknown | 2007-03-15 |
| Movie | Saving Sarah Cain | Homeless Man | 2007-08-19 |
| Series | In Justice | Unknown | 2006-01-01 |
| Series | Saved | Dr. Martin Cole | 2006-06-12 |
| Movie | Flags of Our Fathers | White House Official | 2006-10-19 |
| Series | Numb3rs | Unknown | 2005-01-23 |
| Series | Weeds | Charles | 2005-08-07 |
| Movie | Life of the Party | Jack | 2005-01-01 |
| Series | Grey's Anatomy | Unknown | 2005-03-27 |
| Series | Ghost Whisperer | 2005-09-23 | |
| Movie | Syriana | Donald | 2005-11-23 |
| Series | Close to Home | Unknown | 2005-09-20 |
| Series | Prison Break | Unknown | 2005-08-29 |
| Series | LAX | Unknown | 2004-09-13 |
| Series | Boston Legal | Unknown | 2004-10-03 |
| Movie | Silver City | Mort Seymour | 2004-09-17 |
| Series | Joan of Arcadia | Unknown | 2003-09-26 |
| Series | Scrubs | Unknown | 2001-10-02 |
| Series | The Agency | Joshua Nankin | 2001-09-27 |
| Movie | The Visit | Parole Board Member Brenner | 2001-04-20 |
| Series | Crossing Jordan | Unknown | 2001-09-24 |
| Series | Family Law | Unknown | 1999-09-20 |
| Series | The West Wing | Unknown | 1999-09-22 |
| Series | Once and Again | Unknown | 1999-09-21 |
| Series | Mission Hill | Unknown | 1999-09-24 |
| Movie | The Staircase | Simon Filger | 1998-04-12 |
| Series | From the Earth to the Moon | Lee Silver | 1998-04-05 |
| Movie | Playing by Heart | Martin (uncredited) | 1998-12-30 |
| Movie | The Thing: Terror Takes Shape | Self | 1998-09-08 |
| Series | Maximum Bob | Unknown | 1998-08-04 |
| Series | Just Shoot Me! | Unknown | 1997-03-04 |
| Movie | Mad City | Street Preacher | 1997-11-07 |
| Movie | Grace of My Heart | Dr. "Jonesy" Jones | 1996-09-13 |
| Series | Star Trek: Voyager | Unknown | 1995-01-16 |
| Series | NewsRadio | Unknown | 1995-03-21 |
| Series | Cybill | Unknown | 1995-01-02 |
| Movie | Original Sins | Jimbo | 1995-04-12 |
| Series | Almost Perfect | Neal Luder | 1995-09-17 |
| Movie | Tecumseh: The Last Warrior | William Henry Harrison | 1995-06-04 |
| Movie | Two Crimes | Jim | 1995-05-26 |
| Series | ER | Unknown | 1994-09-19 |
| Movie | Matinee | Jack | 1993-01-29 |
| Movie | Black Widow Murders: The Blanche Taylor Moore Story | Dwight Moore | 1993-05-03 |
| Movie | Nurses on the Line: The Crash of Flight 7 | Dr. Rulon Beesley | 1993-11-23 |
| Movie | And the Band Played On | Mr. Johnstone | 1993-09-11 |
| Movie | Man Trouble | Lewie Duart | 1992-07-17 |
| Movie | Light Sleeper | Robert | 1992-08-21 |
| Movie | Downtown | Jerome Sweet | 1990-01-12 |
| Series | Dream On | Unknown | 1990-07-08 |
| Movie | The Image | Dr. Sigmond Grampton | 1990-01-27 |
| Movie | Betrayed | Jack Carpenter | 1988-08-26 |
| Movie | The Couch Trip | Lawrence Baird | 1988-01-15 |
| Series | thirtysomething | Unknown | 1987-09-29 |
| Movie | The Trouble with Dick | Lars | 1987-01-16 |
| Movie | Conspiracy: The Trial of the Chicago 8 | Richard Schultz | 1987-05-16 |
| Series | Beauty and the Beast | Unknown | 1987-09-25 |
| Movie | He's My Girl | Mason Morgan | 1987-09-11 |
| Movie | Blood & Orchids | Phillip Murray | 1986-02-23 |
| Series | Sledge Hammer! | Unknown | 1986-09-23 |
| Movie | Legal Eagles | Blanchard | 1986-06-18 |
| Series | The New Alfred Hitchcock Presents | Unknown | 1985-09-29 |
| Movie | Sweet Dreams | Randy Hughes | 1985-10-02 |
| Series | Murder, She Wrote | Unknown | 1984-09-30 |
| Movie | Best Kept Secrets | Rev. Warner | 1984-03-26 |
| Movie | Falling in Love | Brian Gilmore | 1984-11-21 |
| Movie | Terror in the Aisles | Palmer (archive footage) (uncredited) | 1984-10-26 |
| Movie | Special Bulletin | Bruce Lyman | 1983-03-20 |
| Movie | Hanna K. | Ammon | 1983-09-07 |
| Movie | Star 80 | Martin "Geb" Gebber | 1983-11-10 |
| Movie | The Right Stuff | Liaison Man | 1983-10-20 |
| Movie | The Day the Bubble Burst | 1982-02-07 | |
| Movie | Missing | Consul Phil Putnam | 1982-02-12 |
| Movie | Ladies and Gentlemen, the Fabulous Stains | Dave Robell | 1982-10-01 |
| Movie | The Escape Artist | Newspaper Editor | 1982-05-28 |
| Movie | The Thing | Palmer | 1982-06-25 |
| Series | Park Place | 1981-04-09 | |
| Movie | Hide in Plain Sight | Richard Fieldston | 1980-03-21 |
| Movie | Gideon's Trumpet | James Fitzpatrick | 1980-04-30 |
| Movie | Being There | Thomas Franklin | 1979-12-19 |
| Movie | Coming Home | Tim | 1978-02-15 |
| Movie | Gray Lady Down | USS Neptune Crewmember | 1978-03-10 |
| Series | WKRP in Cincinnati | Unknown | 1978-09-18 |
| Movie | Go Tell the Spartans | Lt. Finley Wattsberg | 1978-07-12 |
| Movie | On the Yard | Psychiatrist | 1978-09-16 |
| Movie | The Greatest | Captain | 1977-05-17 |
| Movie | Panic in Echo Park | 1977-06-23 | |
| Movie | Helter Skelter | Harry Jones | 1976-04-01 |
| Movie | Bound for Glory | Carl | 1976-12-05 |
| Series | Barney Miller | Unknown | 1975-01-23 |
| Movie | The Migrants | Tom Trimpin | 1974-02-03 |
| Movie | The Paper Chase | Toombs | 1973-10-16 |
| Series | Kojak | Unknown | 1973-10-24 |
| Series | Hallmark Hall of Fame | Unknown | 1951-12-24 |