Jack O'Connell (born 1 August 1990) is an English actor. He is best known for playing Pukey Nicholls in This Is England (2006), Marky in Harry Brown (2009), as James Cook in the E4 teen drama Skins and Eric in Starred Up (2014). He is set to star in the Angelina Jolie directed war-drama Unbroken based on the life of Louis Zamperini.