He became an actor for TVB after participating in the TVB game show Minutes to Fame hosted by Hacken Lee and Joey Leung. He worked for theCorrectional Services Department before becoming an actor. The first Indian actor signed by TVB, Gill played one of the regular cast on the TVB sitcom Welcome to the House. In an in-depth interview with Muse Magazine in 2007, Gill discusses his cultural identity and confesses to seeing himself "like an ambassador for my people". In July 2012, after the Immigration Department notified that his wife's February 2011 application for naturalisation as a Chinese citizen had been rejected, he announced that he would depart from the Hong Kong entertainment industry and emigrate to Scotland.
