Finn has been actively engaged in the acting profession since the tender age of six, when he was initially cast in his breakout role as Bike in the film 'The Hunter'. This pivotal role, which he shared with renowned actors Willem Dafoe and Francis O'Connor, garnered him a nomination for 'Best Young Actor' at the prestigious AACTA awards. Following this notable achievement, Finn went on to star in the film adaptation of Tim Winton's celebrated novel 'The Turning', alongside an impressive ensemble cast featuring Cate Blanchett, Hugo Weaving, and others. Notably, 'The Turning' received multiple award nominations, including a nod for 'Best Film' at the AACTA awards.
In addition to his work in film, Finn has also made a significant impact in television. He made his television debut in the Disney Junior production 'Goodnight Song', where he played the lead boy. He subsequently appeared in the popular Australian soap opera 'Neighbours' for 14 episodes, portraying the character of Jackson Bates. Finn has consistently collaborated with the Australian Broadcasting Corporation (ABC),featuring in various television shows such as 'Nice' and 'Problems'.