They are best known for three films they produced jointly in the 1970s, all directed by Peter Weir at the start of his career: The Cars That Ate Paris (1974), Picnic at Hanging Rock (1975), and The Last Wave (1977).
[1] Hal met his wife Di, a producer of live television shows, while both were working on the Australian Ballet's 1973 film of Don Quixote in Melbourne.
She was secretary to the Administrator of the Australian Ballet, Dame Peggy van Praagh, and personal assistant to Sir Robert Helpmann and Rudolf Nureyev.
In 1977, a light and sound spectacular called Laserdome, in which the three McElroys had invested heavily, failed within three days and they lost their house and all their other assets.
[1] In November 1996, Hal McElroy was involved in a serious traffic collision which threatened to leave him blind, brain-damaged and paraplegic.