Jack Finsterer (born 1968) is an Australian film and TV actor. 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 was born John Finsterer in Australia in 1968.

Finsterer grew up in Dickson, Canberra, where he attended Daramalan College, before going on to study drama at the Victorian College of Arts in Melbourne.

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. The same year, he appeared in the TV series Janus (1994–95). Following this, he had roles in long-running TV series Blue Heelers (1996) and the film Zone 39.

Further appearances included a role in Dangerous (2007), and his best known role to date as Jack Scholt in the Australian historical film Kokoda (2006). He also performed voice-over work in short film The Hunter (2011).

In 1999, Finsterer married fellow Australian actress Justine Clarke who is also a singer, musician, and television host.

Finsterer and his wife have three children – Josef (b. 2001), Nina (b. 2003), and Max (b. 2009).^[5][6]

He and his family live in Sydney, Australia.

Away from acting, Finsterer has worked in a Melbourne wine shop, started a business selling beauty products, and worked in corporate hospitality at the Sydney Cricket Ground.

• Jack Finsterer at IMDb