Married fellow actor Billie Piper at the Parish Church of St. Mary's in Easebourne, West Sussex on New Year's Eve. They met while starring in the West End play, "Treats".
Son of actor James Fox, and nephew of actor Edward Fox and producer Robert Fox.
David Tennant attended Fox's wedding to former Doctor Who (2005) co-star Billie Piper (December 2007).
First child, a boy named Winston James Fox, was born on October 21, 2008. He weighed 6 lbs. 11 oz. Mother is Billie Piper.
He played King George VI in W.E. (2011), in which his father James Fox played King George V. His uncle Edward Fox had previously played George VI's elder brother and predecessor King Edward VIII (the Duke of Windsor) in Edward & Mrs. Simpson (1978).