Zachary Wan is one of four children. Born and raised in Sydney, Australia, Zachary is a second generation Asian-Australian whose father's side of the family is from Hong Kong. His mother is a Vietnamese refugee who was separated from her parents as a baby and spent three years in Los Angeles before uniting with her family in Australia.Zachary found his passion for acting whilst performing in drama productions and school musicals at St Aloysius College, Sydney, where he is currently a student. He is heavily involved in the school's performing arts as a cellist, a member of the College Choir and a number of stage productions. His ability to improvise for a variety of situations resulted in successful auditions for two roles in 2019. Zachary was cast in an ABC TV/Netflix Series, The Unlisted, a 15 episode children's adventure production by Aquarius Films. This was immediately followed by a significant support role in a film with an all-star cast in Never Too Late produced in Adelaide, South Australia.