Clark Tinsley Middleton was an American actor.
He began working as an actor in New York in 1983, making his theatrical debut in three plays with late Emmy award-winning actor and Broadway star, Geraldine Page. With his debut on Broadway, he portrayed Hugo in the Tony-nominated revival of The Iceman Cometh with Denzel Washington. In the past 30 years, his extensive stage experience took him across the country, where he performed in major theaters in New York City and Los Angeles, including his one-person critically acclaimed play, Miracle Mile. Middleton also created roles for playwrights Sam Shepard, John Guare, and John Belluso, among others. He was a lifetime member of the Actors Studio, and he taught acting for more than 20 years in New York City. He also lived with juvenile rheumatoid arthritis for more than 50 years and was a spokesperson for the Arthritis Foundation. On television, Middleton appeared in recurring roles on Law & Order, Fringe, and most recently, The Blacklist, where he played the irritable DMV boss Glen Carter. Throughout his career, he worked with prominent directors, including Ang Lee in Taking Woodstock and Bo Joon Ho in Snowpiercer.