Clark Johnson was born on September 10, 1954 in Philadelphia, Pennsylvania, USA. He is an actor and director, known for Homicide: Life on the Street (1993), S.W.A.T. (2003) and The Sentinel (2006). He was previously married to Heather Salmon.
Nominated for 1 Primetime Emmy. Another 7 nominations.
| Movie | Virtual Mom | Mr. Hubbard | 2017 |
| Movie | Magnum Opus | Unknown | 2017 |
| Series | Mad Dogs | Unknown | 2016 |
| Movie | Can Openers | Unknown | 2016-03-07 |
| Series | 666 Park Avenue | Unknown | 2016-01-26 |
| Series | Magic City | Unknown | 2016-01-26 |
| Series | American Odyssey | Unknown | 2015-04-05 |
| Movie | Eccentric Eclectic | Unknown | 2015-02-07 |
| Movie | Hyena Road | General rilmen | 2015-10-09 |
| Movie | LUV | Harold Barnes | 2015-09-01 |
| Movie | Bird People | Unknown | 2014 |
| Series | Black Sails | Unknown | 2014 |
| Series | Copper | Unknown | 2013 |
| Movie | Santorini Blue | Unknown | 2013 |
| Series | Alpha House | Senator Robert Bettencourt | 2013-04-19 |
| Series | Zero Hour | Unknown | 2013 |
| Series | XIII: The Series | Unknown | 2012-06-29 |
| Series | Flashpoint | Unknown | 2012 |
| Series | Last Resort | Unknown | 2012 |
| Series | Unforgettable | Unknown | 2012-01-10 |
| Series | Lights Out | Unknown | 2011 |
| Series | King | Unknown | 2011-04-01 |
| Series | Hell on Wheels | Unknown | 2011-11-06 |
| Series | Homeland | Unknown | 2011-10-02 |
| Series | Person of Interest | Unknown | 2011-09-22 |
| Series | Breakout Kings | Unknown | 2011-03-06 |
| Series | The Chicago Code | Unknown | 2011-02-07 |
| Series | Terriers | Unknown | 2010-09-08 |
| Movie | Defendor | Capt. Roger Fairbanks | 2010-05-13 |
| Movie | Butterflies of Trip City | Unknown | 2010 |
| Series | Lost Girl | Unknown | 2010 |
| Series | The Walking Dead | Unknown | 2010-10-31 |
| Series | Memphis Beat | Unknown | 2010-06-22 |
| Series | Cra$h & Burn | Unknown | 2009 |
| Movie | Last Call: The Final Episode | Unknown | 2009 |
| Movie | You Might as Well Live | George | 2009-01-01 |
| Series | Lie to Me | Unknown | 2009-01-21 |
| Movie | Jenny | Unknown | 2009-12-03 |
| Series | Kings | Unknown | 2009-03-15 |
| Series | Eleventh Hour | Unknown | 2009 |
| Movie | Nurse.Fighter.Boy | Silence | 2009-05-22 |
| Movie | Misunderstood | Unknown | 2009 |
| Series | The Trojan Horse | Unknown | 2008 |
| Series | Q with Jian Ghomeshi | Unknown | 2008 |
| Movie | The Wire Odyssey | Unknown | 2007 |
| Movie | The Wire: The Last Word | Unknown | 2007 |
| Movie | Le viager | Unknown | 2007-05-24 |
| Movie | Crazy Lovin' | Unknown | 2007 |
| Movie | The Sentinel | Unknown | 2006-04-21 |
| Series | Sleeper Cell | Unknown | 2005-10-01 |
| Movie | Tripping the Wire: A Stephen Tree Mystery | Unknown | 2005 |
| Movie | N.Y.-70 | Unknown | 2005 |
| Series | Cold Squad | Unknown | 2005 |
| Movie | The Secret Service | Unknown | 2004-01-01 |
| Movie | Re-Generation | Unknown | 2004 |
| Series | The Jury | Unknown | 2004 |
| Movie | S.W.A.T. | Unknown | 2003-08-08 |
| Movie | 6th Street Bridge: Achieving the Improbable of Landing a Plane on a Bridge | Unknown | 2003 |
| Movie | Anatomy of a Shootout | Unknown | 2003 |
| Movie | S.W.A.T.: TV's Original Super Cops | Unknown | 2003 |
| Series | The Shield | Unknown | 2002-03-12 |
| Series | The Wire | Unknown | 2002-06-02 |
| Movie | The 54th Annual Primetime Emmy Awards | Unknown | 2002 |
| Movie | On Their Knees | Uncle John Walker | 2001-09-11 |
| Movie | Love Come Down | Unknown | 2001-08-02 |
| Movie | Boycott | Unknown | 2001-02-24 |
| Movie | Homicide: The Movie | Meldrick Lewis | 2000-02-13 |
| Series | Soul Food | Unknown | 2000-06-28 |
| Series | The Beat | Unknown | 2000-03-21 |
| Movie | Fear of Fiction | Gary | 2000-07-13 |
| Movie | Task Force | None | 2000-08-21 |
| Movie | Disappearing Acts | Jimmy | 2000-12-09 |
| Movie | Deliberate Intent | Unknown | 2000 |
| Series | City of Angels | Unknown | 2000-01-16 |
| Series | The West Wing | Unknown | 1999-09-22 |
| Movie | Have Mercy | Unknown | 1999 |
| Movie | 30th NAACP Image Awards | Unknown | 1999 |
| Series | The Hoop Life | Unknown | 1999-07-04 |
| Series | Law & Order: Special Victims Unit | Unknown | 1999-09-20 |
| Series | The City | Unknown | 1999 |
| Series | Third Watch | Unknown | 1999-09-26 |
| Movie | Anatomy of a 'Homicide: Life on the Street' | Unknown | 1998-11-04 |
| Series | Welcome to Paradox | Unknown | 1998-08-17 |
| Series | La Femme Nikita | Unknown | 1997-01-13 |
| Movie | Richard Belzer: Another Lone Nut | Unknown | 1997-04-01 |
| Series | Fast Track | Unknown | 1997 |
| Movie | The Planet of Junior Brown | Unknown | 1997 |
| Movie | The Prosecutors | Michael Hall | 1996-12-02 |
| Movie | Rude | Reece | 1996-04-12 |
| Movie | Lulu | Unknown | 1996 |
| Movie | Nick of Time | Unknown | 1995-11-22 |
| Movie | Soul Survivor | Unknown | 1995 |
| Series | The Adventures of Dudley the Dragon | Unknown | 1994 |
| Movie | Final Round | Trevon | 1994-04-06 |
| Movie | Drop Zone | Unknown | 1994 |
| Series | HBO First Look | Unknown | 1994-03-01 |
| Movie | Silent Witness: What a Child Saw | Glenn | 1994-07-14 |
| Series | Homicide: Life on the Street | Meldrick Lewis | 1993-01-31 |
| Movie | Model by Day | Unknown | 1993-10-11 |
| Series | NYPD Blue | Unknown | 1993-09-21 |
| Series | Secret Service | Unknown | 1993 |
| Movie | Blood Brothers | Unknown | 1993 |
| Series | Sweating Bullets | Unknown | 1992 |
| Movie | The Finishing Touch | Unknown | 1992 |
| Movie | Coopersmith | Mike Delaney | 1992-07-31 |
| Series | Forever Knight | Unknown | 1992-05-05 |
| Series | North of 60 | Unknown | 1992-09-01 |
| Series | African Skies | Unknown | 1992-10-11 |
| Movie | The Psychic | Spencer | 1992-05-20 |
| Series | Hammerman | Unknown | 1991-09-07 |
| Series | Counterstrike | Unknown | 1990-07-01 |
| Movie | Polly: Comin' Home! | Unknown | 1990 |
| Series | New Attitude | Unknown | 1990 |
| Movie | Personals | Unknown | 1990 |
| Movie | The Women of Brewster Place | Unknown | 1989 |
| Series | Rin Tin Tin: K-9 Cop | Unknown | 1989 |
| Series | My Secret Identity | Unknown | 1989 |
| Series | T and T | Unknown | 1989 |
| Movie | Renegades | Unknown | 1989 |
| Series | E.N.G. | Unknown | 1989-01-26 |
| Movie | Hostage | Detective Morton | 1988-02-14 |
| Series | War of the Worlds | Unknown | 1988-10-07 |
| Movie | Iron Eagle II | Unknown | 1988-11-11 |
| Movie | Heart and Soul | Unknown | 1988 |
| Movie | Colors | Unknown | 1988 |
| Series | Diamonds | Unknown | 1987-09-22 |
| Movie | Blindside | Unknown | 1987 |
| Series | Alfred Hitchcock Presents | Unknown | 1987 |
| Movie | Adventures in Babysitting | Unknown | 1987 |
| Movie | Wild Thing | Unknown | 1987-04-17 |
| Movie | Mr. Nice Guy | None | 1987-05-01 |
| Movie | Nowhere to Hide | Mark Halstead | 1987-07-17 |
| Movie | Doing Life | Unknown | 1986-09-23 |
| Movie | The Fly | Unknown | 1986 |
| Series | Adderly | Unknown | 1986-09-24 |
| Series | Hot Shots | Al Pendleton | 1986-09-23 |
| Series | L.A. Law | Unknown | 1986-09-15 |
| Movie | Courage | Unknown | 1986-09-24 |
| Movie | Rockabye | Unknown | 1986 |
| Movie | Murder in Space | Unknown | 1985 |
| Movie | Starcrossed | Ralph | 1985-01-31 |
| Series | Night Heat | Unknown | 1985-01-31 |
| Movie | Murder: By Reason of Insanity | Unknown | 1985 |
| Movie | Seduced | Unknown | 1985 |
| Movie | The Dead Zone | Unknown | 1983 |
| Movie | Skullduggery | Unknown | 1983 |
| Movie | Utilities | Unknown | 1983-06-01 |
| Movie | Mazes and Monsters | Unknown | 1982 |
| Movie | Killing 'em Softly | Unknown | 1982 |
| Movie | The Last Chase | Unknown | 1981 |
| Series | Tales of the Klondike | Unknown | 1981-05-16 |
| Series | The Littlest Hobo | Unknown | 1980 |
| Series | ABC Weekend Specials | Unknown | 1977-09-10 |