This movie was taken to the Cannes Film Festival in 1980 in order to seek world-wide distribution. This was about six years after its premiere theatrical release in Australia. The spark for this was this film's similarity to the international box-office success of Mad Max (1979) which had launched a year earlier in 1979.
Undertaker: We'll do what we fuckin like. We're not going to hang round getting knocked off one by one while you smartarse bastards do your investigation routine.