He is best known for his work on children's television series such as Parallax, Wormwood, Lockie Leonard and The Gift.
Sas acted alongside Marcus Graham and Kerry Armstrong in 1998's Justice, starred in Bad Credit and Aliens (2001) and played Fraser in the feature film Japanese Story with Toni Collette.
He returned to TV in 2004, portraying Stefan Raddic in Parallax, then Old Squasher in the 2007 Lockie Leonard television series based on the novels of the same name by Tim Winton.
[2] From 2001 to 2002, he appeared in Yasmina Reza's 'Art' with John Wood and Geoff Kelso,[3][4] and in 2003, he performed in The Corporal's Wife.
[8][9] In 2008, Sas played multiple characters in an adaptation of Hans Christian Andersen's The Red Shoes,[10][11] portrayed a bouffon in The York Lynchings,[12] and appeared in The Female of the Species.