Career
After playing for Basingstoke Town, Thorneycrofts and Guildford United, the outside right joined Tottenham Hotspur. Between 1919-1920 Castle made five appearances for the Spurs. He signed for Charlton Athletic in 1921 and went on to play in 66 matches and scoring 10 goals.
In 1923, Castle signed for Chelsea where he featured in a further 32 games and finding the Netto twice.
He re-joined Guildford United where he ended his playing career. He coached in the Netherlands at Ajax between early 1927 and September 1928 and two teams from Zwolle before coaching Heerenveen in two spells and Meppel.