Television Walshe-Howling appeared in an episode of the 1990 anthology series
More Winners. He left in 1998, and returned for the series finale in 2006. His first major television role after leaving the series, was as rock singer Mac in
The Secret Life of Us (2001), In 2008, Walshe-Howling's next major break was starring as real-life crime figure
Andrew 'Benji' Veniamin in the
first season of
Channel Nine’s Australian underworld drama
Underbelly. In 2010, Walshe-Howling hosted the
Nine Network’s reality show
Customs; He then starred in the 2006 modern day reimagining of
Macbeth He next starred in survival horror film
The Reef with former
Underbelly co-star
Gyton Grantley. The movie was released in Australian cinemas in March 2011. In 2013, he had a supporting role in crime film
Mystery Road. alongside
Ryan Kwanten.
Theatre In 2008, Walshe-Howling appeared in the
Bell Shakespeare production of
Pericles, Prince of Tyre. He also went back to his theatre roots with a lead role as Neil in
B Sharp production of
A View of Concrete. His 2012 short film
Suspended, which he wrote, produced and directed, screened in official competition at
Flickerfest, the 2012
Locarno Film Festival in Switzerland, the 2013
Canberra Short Film Festival,
Slamdance Film Festival and Cannes Cinephiles. His 2016 short film
Unspoken, which he wrote and directed, was awarded Best Short
CinefestOZ in 2024, before taking out the International Grand Prize at the 2025
Clermont-Ferrand International Short Film Festival, France’s second-largest film festival after Cannes. He also completed a Director’s Attachment with
Peter Andrikidis on
Screentime's 2018 miniseries
Underbelly Files: Chopper. ==Recognition and awards==