orn on 31st August, 1940 he made his reputation from the classic Australian films Sunday Too Far Away and Breaker Morant for which he won Best Supporting Actor at the Cannes Film Festival.
Other credits are Girl From Peking, Wake In Fright, The Boys, Libido, Petersen, Scobie Malone and Mad Dog.
He balanced a job working with the United Nations with his burgeoning film career.
Jack is married to Leona King and has an 8 year old son Billy to her, yet for many years he was part of a menage a trois with Leona and her sister Bunkie.
This arrangement came to an end and Jack said "I wouldn't have missed it for quids."
His brother is movie reviewer Peter Thompson.