I used to laugh that there must be a limited number of Aussie actors as the ones that were in Prisoner appeared in Neighbours, Sons and Daughters and Home and Away. But look at us. The same actors here switch between Eastenders, The Bill, Heartbeart, The Royal, Coronation Street etc. !!
Not only that, but the same actors cropped up as multiple characters during Prisoner's run - some of them major characters, too! Judy's girlfriend Sharon, for example, was murdered in a memorable storyline, then a couple of years later the same actress popped up again playing a lesbian prison officer called Terri who had an affair with the Freak! Likewise Kirsty Child played Anne Yates, the officer who suffocated to death in a dryer early in the show - she then appeared a year or two later playing a prisoner's sister, then again a couple of years later playing Willie Beacham! These were just two of the DOZENS of recycled actors who would turn up over and over again as different characters!