He made his acting debut in 2000 featuring in performances on stage, television and film. His film credits include
City Loop (2000),
The Wannabes (2003), The series was cancelled at the end of the season due to low ratings. For five seasons, Johnson played Matt Knight in the drama series
Doctor Doctor (2016–2021). For his performance, he earned a nomination for the
Logie Award for Most Outstanding Supporting Actor in 2017. Johnson played
Paulie Rosetta, brother of
Angelo Rosetta (
Luke Jacobz), in the television soap opera
Home and Away in 2010. In April 2022, he rejoined the cast as wealthy gambler and villain
Peter "PK" King. ==Personal life==