[4] His breakthrough role was as Digger Bevan Johnson (alongside Kodi Smit-McPhee), in 2015 Nine Network miniseries Gallipoli.
[8] In 2022, Greenwood starred in Sean Lahiff's debut film as director, Carnifex.
[9] In 2024 he reunited with Russell Crowe in American crime thriller film Sleeping Dogs, as Richard Finn.
Greenwood's stage roles include STC productions, Cat on a Hot Tin Roof at the Roslyn Packer Theatre[6] (playing Brick, opposite his father Weaving's character Big Daddy)[10] and STC's Cloud Nine.
[11] Greenwood was named one of Casting Guild of Australia’s 10 Rising Stars of 2018.