George Andrew J. MacKay is a British actor. He began his career as a child actor in Peter Pan (2003). He had starring roles in the British war drama Private Peaceful (2012), the romantic film How I Live Now (2013), For Those in Peril (2013), for which he won a BAFTA Scotland Award and was nominated for the BAFTA Rising Star Award, and Marrowbone (2017). He gained wider recognition for his leading role in the war film 1917 (2019).

Peter Pan is a 2003 fantasy adventure film directed by P. J. Hogan and written by Hogan and Michael Goldenberg. The screenplay is based on the 1904 play and 1911 novel Peter Pan, or The Boy Who Wouldn't Grow Up by J.M. Barrie. Jason Isaacs plays the dual roles of Captain Hook and George Darling, Olivia Williams plays Mary Darling, while Jeremy Sumpter plays Peter Pan, Rachel Hurd-Wood plays Wendy Darling, and Ludivine Sagnier plays Tinker Bell. Lynn Redgrave plays a supporting role as Aunt Millicent, a new character created for the film.