- Zoe Houghton - Joan Milat
- Salvatore Coco - Detective Mark Camenzuli
- Luke Ford - Detective Bob Godden
- Craig Hall - Detective Rod Lynch
- Alan Lovell - Detective O'Connor
- Richard Sutherland - Detective Royce Gorman
- Steve Vella - Sergeant Gerard Dutton
- Leigh Scully - Sergeant Trichter
- Julia Billington - Constable Janet Nicholson
- Carole Skinner - Margaret Milat
- Alan Flower - Alex Milat
- Leeanna Walsman - Shirley Milat
- Daniel Krige - Wally Milat
- Fletcher Humphrys - Richard Milat
- Ben Geurens - David 'Bodge' Milat
- Leah Vandenberg - Chalinder Hughes
- Lizzie Schebesta - Ruth Kilmarten
- Anita Hegh - Alison Small
- Alex Williams - Paul Onions
- Sacha Horler - Karen
- Lucy Bell - Jill Walters
- Cecelia Peters - Joanne Walters
- Mavournee Hazel - Caroline Clarke
- Natalia Ladyko - Simone Schmidl
- Charlotte Chimes - Anja Habschied
- Milan Pulvermacher - Gabor Neugebauer
- Julian Pulvermacher - Manfred Neugebauer
- Anja Raith - Anke Neugebauer
- Linda Ngo - Therese
- Diana Gyllén - Maureen
- Lauren Clair - Janine
- Michael Denkha - Des Butler
- Steve Le Marquand - Phil Polglase
- Lenka Kripac - Polglase's Wife
- Helen Thomson - Dr Miriam Bentley
- Stephen Anderton - Bruce Pryor
- John Brumpton - Artie Bigman
- Greg Kennedy - Workmate
- Richard Healy - Justice Hunt
- Ingrid Kleinig - Joanne Berry
- Julian Maroun - Paymaster (Boral)
- David McLean - London Interviewer
- David Ritchie - David Gill
- Alice Lily Zahalka - Female Hitchhiker
- William Usic - Barry Wood
- Simon Watts - Police Negotiator
- Doris Younane - Psychiatrist (Dr Stein)
- Yiani Andrikidis - Jogger No. 1
- Anthony Martin - Minister
- Peter Andrikidis
- Rory Callaghan
Luke Ford interpreta a Inspector Bob Godden en la serie.
Craig Hall interpreta a Inspector Rod Lynch en la serie.
Fletcher Humphrys hace el papel de Richard Milat.
Alex Williams hace el papel de Paul Onions.
Cecelia Peters interpreta a Joanne Walters en la serie.
Malcolm Kennard hace el papel de Ivan Milat.
Geoff Morrell interpreta a Superintendent Clive Small en la serie.
Richard Cawthorne interpreta a Detective Paul Gordon en la serie.
David Field hace el papel de Detective Neil Birse.
Salvatore Coco interpreta a Detective Mark Camenzuli en la serie.
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