The Intruders (1969 film)
[1][2] A gang of criminals led by Meredith is looking for sunken treasure off Mallacoota, pretending to be diving for abalone.Sonny, son of Matt Hammond, the Chief Ranger of Waratah National Park, investigates with their family friend, Clancy.Additional location shooting was done at Mallacoota in Victoria, some 470 km south of the fictional Waratah National Park (Ku-ring-gai Chase) and in Sydney.[4] The Age called it "quite a pleasant adventure for the younger set" but Lee Robinson "slow paces the indoor talk which is too formal and deliberate for a telly-raised generation.[3] John McCallum later claimed they: Got the money back on the film but we thought it would be a bigger success in the cinema.