The picture represented a rare instance where an Australian film shot for less than Aust $150,000 (the budget was Aust $129,000) was successful at the box-office.
The production shoot for this film was shot over four weeks during June and July 1977.
The movie didn't premiere until July 1978, about a year after principal photography had been completed.
There were fourteen drafts of the screenplay.
Half of the lead cast had no acting experience.