A journalist sets out to report on a minor earthquake in the Australian outback, and finds that the tremor was a result of a small nuclear explosion - part of an extortion threat that has the government fearing nuclear blackmail. With the help of local reporters, and despite the harassment of the security agencies, he sets out to avert the crisis.
Barry Newman
as Barney Duncan
Bill Kerr
as Willliam Ashby
Trisha Noble
as Gillian Boles
Alwyn Kurts
as Jack McGinty
John Ewart
as Sam O'Bannon
Bruce Spence
as Towie
Willie Fennell
as Old Alf
Vincent Ball
as Prime Minister
Erin Pearce
as Ernie Kramer
Noel Trevarthen
as Kimball
Jeff Ashby
as Deighton
Kevin Miles
as Thurber
