in 2009, brummer joined the cast of the "underbelly" series in "" in the minor role of trevor haken, a corrupt member of the new south wales police force. however, in the third series, "", this role was increased to one of the principal cast. in 2011, brummer joined the cast of "neighbours" for seven weeks as troy miller. on 2 march 2012, it was announced that brummer had reprised his role as troy for another guest stint. in 2014 he joined the cast of "winners and losers" for 5 episodes as jason ross.