Stone Movie (1974) - Deryck Barnes, Sandy Harbutt, Hugh Keays-Byrne

Stone Movie (1974) Trailer - Plot Synopsis: After one of its members witnesses a political assassination, a motorbike gang becomes the target of a string of murders, prompting a cop to join their ranks to determine who is responsible.
Director: Sandy Harbutt
Writers: Sandy Harbutt, Michael Robinson
Stars: Deryck Barnes, Sandy Harbutt, Hugh Keays-Byrne