Biography
Justin Rosniak is an Australian actor. Born on 11 May 1977 in Sydney, New South Wales, he began appearing in television as a child, with early roles in Home and Away (1988) as Ben McPhee and later as Ross Nixon (2018), as well as Spellbinder (1995).
He is known for his performances in the film Animal Kingdom (2010) as Detective Randall Roache, the series Mr Inbetween (2018–2021) as Gary, Colin from Accounts (2022–) as Alistair, Squinters (2018), Packed to the Rafters and Police Rescue. Other credits include Underbelly (2008) as Leslie 'Squizzy' Taylor, McLeod's Daughters (2001) and NCIS: Sydney (2023).
Rosniak has also appeared in films such as War Machine (2017) and The Surfer (2025).
