John Macmillan is a British actor. He began his career in theatre, earning an Ian Charleson Award nomination for his work in the productions of Hamlet and Macbeth. He was nominated for a Satellite Award for his performance in the BBC Two adaptation of King Lear (2018).
His television work includes the BBC One drama Silk (2011-2014), the Netflix sitcom Chewing Gum (2015-2017), and the Channel 4 sitcoms Back (2017-2021) and Hang Ups (2018).