• 
  Roy Baldwin

  Reg
• 
  Brett Climo

  Dr. David Ratcliffe
• 
  Richard Cordner

  Boy
• 
  Sudi de Winter

  Jason
• 
  Terence Donovan

  Jim Cardaci (as Terry Donovan)
• 
  Maurie Fields

  Vic Buckley
• 
  Robert Grubb

  Dr. Geoff Standish
• 
  Bob Horsfall

  Bus Driver

• 
  Val Jellay

  Nancy Buckley
• 
  George Kapiniaris

  Dimitrios 'D.J.' Lonniadis
• 
  Andrew McFarlane

  Dr. Tom Callaghan
• 
  Peter O'Brien

  Sam Patterson
• 
  Lenore Smith

  Kate Standish
• 
  Patricia Judah

  Wife
• 
  Tee O'Neil

  Girl (as Tee O'Neill)

• 
  Liz Burch

  Dr. Chris Randall
• 
  Rebecca Gibney

  Emma Patterson