The late Bruno Lawrence, who played a detective working under Sam Neill's Alan Galbraith character, played Galbraith in an earlier made-for-television dramatization of the same events in 1988.
''Hotel scenes [were] filmed in New Zealand at the Hyatt Auckland'' according to the closing credits.
The closing credits declare: ''Sincere Appreciation to the City of Auckland and to the country and people of New Zealand.''
This film's opening prologue states: ''Since 1954, the United States, Great Britain and France have conducted more than 310 nuclear tests in the South Pacific. Islands near the test sites have been contaminated by radioactive fallout. Birth defects and cancer rates among the Polynesians continue to rise alarmingly. The danger of nuclear fallout is not limited to a few people on remote South Pacific islands. It threatens the entire Pacific Rim.''