[3] Horsey has performed onstage since 1989 in productions including 42nd Street (original Australian cast), Funny Girl, West Side Story, Chicago and Singin' in the Rain.

He continued working with Dein Perry, joining Tap Dogs on their North American tour which included six months at the Off-Broadway Union Square Theatre.

[6][7][8] In 2000, he played the role of Angus in the Fox Searchlight Pictures film Bootmen alongside his friend and collaborator Adam Garcia,[9] as well as Sam Worthington.

[12] Horsey has appeared in the independently produced Every Single Saturday at Glen Street Theatre[13] and both choreographed and performed in Lifeforce,[14] both written by Joanna Weinberg.

In 2014, Horsey joined the cast of The Tap Pack for their Sydney season at the recently established Hayes Theatre in Potts Point and continued a small tour with the show until its debut in the Dunstan Playhouse at the Adelaide Cabaret Festival in 2015.

[15][16] Horsey originated the role of Officer Peter Hammett and choreographed the New Musicals Australia production of The Detective's Handbook[4] at the Hayes Theatre, directed by Jonathan Biggins.