Click through each award to see the full list of nominees and winners!
2020 AACTA International Award – Best Supporting Actor
![Once Upon a Time... in Hollywood Brad Pitt](https://www.awardsarchive.com/wp-content/uploads/2020/03/once-upon-a-time...-in-hollywood-quentin-tarantino-image.jpg)
Once Upon a Time… in Hollywood
Brad Pitt
2019 AACTA International Award – Best Supporting Actor
![Green Book Mahershala Ali](https://www.awardsarchive.com/wp-content/uploads/2020/03/green-book-peter-farrelly-image.jpg)
Green Book
Mahershala Ali
2018 AACTA International Award – Best Supporting Actor
![Three Billboards Outside Ebbing, Missouri Sam Rockwell](https://www.awardsarchive.com/wp-content/uploads/2020/03/three-billboards-outside-ebbing-missouri-martin-mcdonagh-image.jpg)
Three Billboards Outside Ebbing, Missouri
Sam Rockwell
2017 AACTA International Award – Best Supporting Actor
![Lion Dev Patel](https://www.awardsarchive.com/wp-content/uploads/2020/03/lion-garth-davis-image.jpg)
Lion
Dev Patel
2016 AACTA International Award – Best Supporting Actor
![Bridge of Spies Mark Rylance](https://www.awardsarchive.com/wp-content/uploads/2020/03/bridge-of-spies-steven-spielberg-image.jpg)
Bridge of Spies
Mark Rylance
2015 AACTA International Award – Best Supporting Actor
![Whiplash J.K. Simmons](https://www.awardsarchive.com/wp-content/uploads/2020/03/whiplash-damien-chazelle-image.jpg)
Whiplash
J.K. Simmons
2014 AACTA International Award – Best Supporting Actor
![12 Years a Slave Michael Fassbender](https://www.awardsarchive.com/wp-content/uploads/2020/03/12-years-a-slave-steve-mcqueen-image.jpg)
12 Years a Slave
Michael Fassbender
2013 AACTA International Award – Best Supporting Actor
![Silver Linings Playbook Robert De Niro](https://www.awardsarchive.com/wp-content/uploads/2020/03/silver-linings-playbook-david-o.-russell-image.jpg)