Jack Donnelly is a British actor. He debuted as Jason Winkler in the television series House of Anubis in 2011. Afterward, he landed one-episode roles in Doctors, Threesome, Misfits, and Dancing on the Edge. Donnelly gained recognition after landing the lead role of Jason in the British program Atlantis. The series aired from 2013 to 2015 on BBC One and was a success. At the same time, he made his big-screen debut in the 2014 film United We Fall. Later, he guest-starred in Death in Paradise and starred in the Hallmark movie A Royal Winter. He recently starred in the Hollywood comedy film Friendsgiving.