Andrew Nicholas Castle (born 15 November 1963) is a British broadcaster and former tennis player.

Castle reached one Grand Slam final in his career in the 1987 Australian Open mixed doubles event with Anne Hobbs.

His mother, Lavinia Pollock (the great-grandchild of Annie Besant),[3] married Frank Castle in April 1953.

Castle won a tennis scholarship to Millfield School in Somerset but at 15 his parents separated and he had to leave.

[4] Castle's father ran the fishmonger's in Westerham, Kent, where his customers included the lady of nearby Chartwell House, Winston Churchill's wife Clementine.

[citation needed] Castle became a professional tennis player in 1986, after completing a marketing degree whilst on an athletic scholarship in the United States.

His 1987 run at the US Open was his best career singles performance at a Grand Slam event, when he reached the third round by defeating David Pate and Jimmy Brown, before losing to Boris Becker in four sets.

[7] Castle previously presented the breakfast show on Smooth Radio and continued on the station with The Great American Songbook on Sunday evenings until 2019.

As of November 2023, Matthew Wright has replaced Andrew Castle on Weekend Breakfast at LBC.

Castle's appearance marked the third time a main GMTV presenter had participated in the show.

[9] He is the great-great-grandson of Annie Besant, a prominent socialist, women's rights activist, and supporter of Irish and Indian self-rule.