Liam Hall was born in Sydney, Australia. His father David worked in the military and his mother Debbie a preschool teacher. At an early age his family relocated to Canberra for his fathers work. Liam attended Marist College in Canberra where he was studying to become an aeronautical engineer. In his final years of high school he decided to focus on gymnastics and acrobatics which he was training in outside of school. After training in Canberra, Hall felt the city was too small for him. He took his motorcycle and belongings and moved back to Sydney where he auditioned for Brent Street, a performing arts school. After graduating he was approached by an acting agent who still represents him to this day. From there Liam worked on his first TV role Camp (2013).