Ainsley Melham began his Music Theatre Career in 2016, skating into the Hayes Theatre as Sonny Malone in Mathew Management’s Xanadu. 

Soon after he traded skates for a magic carpet and opened Disney's Hit Broadway Musical and 'Must See Show of the Year' (Entertainment Weekly)  ALADDIN. In the title role, he toured Australia playing Sydney, Melbourne, Brisbane and Perth.

In February 2019 he made his Broadway Debut at the New Amsterdam Theatre reprising his role as Aladdin with the broadway company, before travelling to London to film the production at The Prince Edward Theatre.

In Australia he has had the great pleasure of playing Molina in the Melbourne Theatre Company’s production of Kiss of the Spider Woman, the title role of Pippin in the Tony Award winning production at the Sydney Lyric Theatre, Charley Kringas in Merrily We Roll Along at the Hayes Theatre, Prince Topher in Rodgers and Hammerstein’s Cinderella, Felix in State Theatre of

South Australia’s The Normal Heart, and Fiyero in Wicked.

On Broadway, Ainsley is best know for originating the role of Dwayne, alongside the cast of Boop! The Musical. The brand new musical enjoyed a pre-Broadway run at the CIBC Theatre in Chicago before transferring to the Broadhurst Theatre, New York. The musical was directed by 3 time Tony winner Jerry Mitchell, with a book by Tony winner Bob Martin, music by 16 time Grammy winner David Foster, and lyrics by Tony nominee Susan Birkenhead.

Preceding his MainStage theatre debut he trained at WAAPA (Western Australian Academy of Performing Arts) and was a cast member of the International Children's Pop Group Hi-5, having appeared in its Australasian tours, and its televised Hi-5 House Series .

In August 2020, Ainsley founded the charitable organisation We The Industry Inc. with Callum Francis. The organisation strives for equal access to, and greater representation within the Australian arts industry.