1985’s The Quiet Earth was written by Bill Baer, Bruno Lawrence, and Sam Pillsbury; it was directed by Geoff Murphy. It is (loosely) based on the novel of the same name by Craig Harrison. It stars Bruno Lawrence, Alison Routledge, and Peter Smith.
Zac Hobson (Bruno Lawrence), a scientist working on Project Flashlight, isn’t there at the New Zealand Flashlight facility on the morning of July 5th. That’s when the project will be tested. The effects of the test are obvious. To quote Zac:
[quote] “Zac Hobson, July 5th. One: there has been a malfunction in Project Flashlight with devastating results. Two: it seems I am the only person left on Earth.” [quote]