He is best known for creating the stage play The Sapphires (later a 2012 film), which tells the true story of an Aboriginal singing girl group who toured Vietnam during the war.

[5] Between 1987 and 1988, Briggs had the recurring role of banker Pete Baxter on television soap opera Neighbours.

In 2016, he played the role of Boondee in the television drama series Cleverman and Brett in Nowhere Boys: Two Moons Rising.

It tells the story of The Sapphires, a singing group of four Koori women who tour Vietnam during the war.

[11][12] It is inspired by the true story of his mother, Laurel Robinson, and aunt, Lois Peeler, who toured Vietnam as singers in 1968.

[14] His movie roles include Australian Rules in 2002,[15] Bran Nue Dae in 2009, Healing in 2014,[16] and Joey in 1997.