Henry's first career highlight was being chosen by the Prince's Trust to perform at the Two Nations Concert at Johannesburg Stadium in 1997 alongside the Spice Girls, Billy Ocean, and Omar.
Henry answered an open call to audition as understudy for Simba in The Lion King while he was in his second year at Urdang Academy in London.
[5] In 2015, he released his debut solo album Red Flare, which was recorded live at the studio owned by The Feeling’s Dan Gillespie and produced by Mr Hudson.
[6] Henry was appointed a Member of the Order of the British Empire (MBE) in the 2018 New Year Honours, for services to musical theatre.
[7][8] In 2020, he originated the role of Frankie The Foetus in Jonathan Harvey's play Our Lady of Blundellsands at the Everyman Theatre, Liverpool.