He has a son called Ned.
Martin has won 5 loggies for his part as P.J Hasham
He has a son called Jack.
Martin Sacks: He hasn't had much luck, old PJ.
About PJ's (Martin's character in Blue Heelers) previous partners, Maggie and Jo, who both died.
Martin Sacks: I'm a lot happier now, I think, now that I have a family. I think it's probably what was missing for me."