Ainsley Melham (born 2 December 1991) is an Australian actor and theatre performer. He began his career as a member of Australian children's musical group Hi-5 from 2013 to 2016, starring in the television series and performing in international tours. He later found success as a prominent theatre performer in Australia and the United States. Melham played the title role in the Australian debut of Disney's Aladdin from 2016 to 2018 and later transferred this role to the Broadway production in 2019.[2][3] Melham is also known for his starring roles in Australian productions such as Xanadu and Rodgers + Hammerstein's Cinderella, as well as a mid-season replacement for Wicked. He originated the role of Dwayne in the pre-Broadway premiere of Boop! The Musical in 2023, and reprised the role for its Broadway debut in 2025. Melham was nominated for a Helpmann Award for Best Male Actor in a Musical for his role as Aladdin in 2017.