Matt Ryan is a Welsh actor. He started his acting career in the early 2000s. He made his TV debut in Nuts and Bolts while his first movie appearance was in Pocket Money. He next had a minor role in Layer Cake. He then played Richard Pace in two episodes of The Tudors. After this, he had roles in the movies Consenting Adults, Blood Monkey, Miss Pettigrew Lives for a Day, and Wild Decembers. In the 2010s, he starred as Mick Rawson in Criminal Minds: Suspect Behavior. Afterwards, he played the lead John Constantine in the short-lived series Constantine. He also reprised his role in an episode of Arrow. In 2017, he starred as Joe O’Hara in the TV series The Halcyon. He also voiced John Constantine in the animated film Justice League Dark.