Troy Miller is a fictional character from the Australian soap opera Neighbours, played by Dieter Brummer. The actor relocated to Melbourne to film his scenes and his casting was announced in March 2011. He had a seven-week guest contract. Brummer revealed that his turn in Underbelly: A Tale of Two Cities caught the attention of the Neighbours producers and they later offered him the role of Troy. He also stated that the part made him enjoy acting again, after being away from the industry for several years. Brummer made his first screen appearance as Troy during the episode broadcast on 10 May.

Dieter Kirk Brummer was an Australian actor. He was best known for his roles in television soap operas, including playing Shane Parrish in Home and Away from 1992 to 1996 and Troy Miller in Neighbours from 2011 to 2012. He also starred in crime drama Underbelly: The Golden Mile, after having a smaller role in the previous series