Day was spotted by an agent He has since gone on to establish a reputation as one of Australia's leading film, television and theatre actors, appearing in numerous Australian television series including
Rake opposite
Richard Roxburgh and
Tangle alongside
Ben Mendelsohn. He starred in the made for television films
Hell Has Harbour Views (2005) and
My Brother Jack (2001), and the two-part miniseries
Paper Giants: The Birth of Cleo (2011). His feature credits include ''
Muriel's Wedding (1994), Love and Other Catastrophes'' (1996) alongside
Radha Mitchell and
Frances O'Connor,
Kiss or Kill (1997) reuniting again with O'Connor. For his role in the latter, he received nominations for a Film Critics Circle Award and an
AFI Award for Best Actor. He also starred in
Woody Allen's Scoop (2006) alongside
Hugh Jackman and
Scarlett Johansson and
My Year Without Sex (2009) and
Touch (2014). His international television credits include
Shackleton with
Kenneth Branagh,
The Hound of the Baskervilles,
The Commander,
Spooks,
Hotel Babylon,
Secret Diary of a Call Girl and
Bruce Beresford's And Starring Pancho Villa as Himself. Short films as writer/director include
Beat (2011
St Kilda Film Festival)
My Everything (2003 Toronto Short Film Festival) and
Wish (Turner Classic Shorts 2008 Winner - Special Mention,
London Film Festival,
Encounters Short Film Festival,
Foyle Film Festival,
Edinburgh International Film Festival,
Stockholm Film Festival). In 2017 he won the 25th
Tropfest short film festival for his comic short film
The Mother Situation, which he both directed and acted in
. In 2022 Day was announced as part of the cast for
Channel 9 drama
Human Error. In 2023 he was named for ABC musical drama
In Our Blood. Day returned for the second season of
Strife. ==Personal life==