Gerard Kearns is an English actor. In 2004, he made his debut in an episode of Heartbeat. He next appeared in one episode of Holby City. His first starring role was as Ian Gallagher in the black comedy series Shameless. He went on to make guest appearances in Doctors, The Commander, Foyle’s War, and Red Riding. In 2007, he had his first movie role in The Mark of Cain. The actor then had performances in the films Looking for Eric, Honeymooner, The Rise, and Trespass Against Us. Between 2015 and 2017, he became known for his recurring role as Halig in The Last Kingdom.