Brumpton has performed in over 60 short films including the 2006 Tropfest finalist - Silencer.
Last Ride and The Loved Ones screened in competition at the 2009 Toronto International Film Festival, where The Loved Ones won the Midnight Madness Audience Award. Brumpton portrays Eric Stone ("Daddy") in the Australian horror film The Loved Ones.
Brumpton's second film in a leading role, Dance Me to My Song (1998) was screened in competition at the 1998 Cannes Film Festival.
His third film in a leading role, Redball (1999) won the Grand Jury Prize, at the 1999 Chicago Independent Film Festival. (오뜨랑에서 실시간으로 번역된 한글 프로필도 확인할 수 있어요) 2024년 Kid Snow에서 Jack 역을 맡았다. 2024년 Kid Snow 집필을 맡았다. 2023년 Last King of the Cross에서 Ashtray Frank 역을 맡았다.