William Henry Milner was born on 4 March 1995 in Teddington, London.
[1] Milner made his acting debut in the Hammer & Tongs film Son of Rambow (2007).
That same year, he appeared in the made-for-TV films Who Killed Mrs De Ropp?
Milner portrayed Ian Dury's son Baxter in the biopic Sex & Drugs & Rock & Roll (2010).
[2] He played the role of young Erik Lensherr / Magneto in the superhero film X-Men: First Class (2011).