Biographie: Clark Johnson  (born September 10, 1954), sometimes credited as Clark 'Slappy' Jackson, Clarque Johnson, and J. Clark Johnson, is an American actor and director who has worked in both television and film as an actor, director, and producer. He gained prominence for his acting roles in popular series such as Homicide: Life on the Street and The Wire. Johnson's versatility extended to directing, where he made a mark directing episodes for acclaimed TV shows like The Shield, The West Wing, Homeland and Bosch. His multifaceted career has solidified his reputation as a skilled performer, director, and creative force within the entertainment sphere.