Career
Castle has played college football for Thomas College in the United States of America, winning a Rookie of the year medal in the North Atlantic Conference in 2011 after scoring 11 goals in 16 games. He later played professional football for Bermuda Hogges and was drafted by Image Academy Bradenton of the USL Premier Development League in April 2014. He also plays for the Bermudian national team, making his first appearance against Saint Martin in an August 2008 CONCACAF Gold Cup qualification match and immediately scoring a brace.
He scored a third international goal in as many matches when Bermuda beat Grenada in March 2015.
International goals
Scores and results list Bermuda"s goal tally first. Castle is a son of former son of former Primary Health Care Zebras defender and coach Jack Castle.