He has been acting since the age of 25 and has appeared in some of Australia's best-known television series and films since 1993.
Finsterer's screen debut was in the film Gross Misconduct in 1993, playing the role of a policeman.
His first significant acting role, however, was as the character Bobby Webster in the 1994 television series Law of the Land.
Following this, he had roles in long-running TV series Blue Heelers (1996) and the film Zone 39.
Feature film based on a true story[4] In 1999, Finsterer married fellow Australian actress Justine Clarke who is also a singer, musician, and television host.