Keith started acting in amateur theatre in 2001, when living in Port Vila, Vanuatu. After returned to Australia, in 2011, he decided to try his hand at acting as a profession. Since then he has been very fortunate and had roles in some independent feature films, TV commercials and short films, all of which have helped him learn more about the craft, and himself as an actor. Keith Thomas는 배우로, The Navigator, 1500 Steps, 싱글라이더, Rhapsody of Love 등에 출연했다. (오뜨랑에서 실시간으로 번역된 한글 프로필도 확인할 수 있어요) 2021년 Rhapsody of Love에서 Steve 역을 맡았다. 2017년 싱글라이더에서 Audition Judge Man 역을 맡았다. 2014년 1500 Steps에서 Harry White 역을 맡았다.