| A psychological thriller based on the investigation into the 1990s backpacker murders leading to the arrest and conviction of serial killer Ivan Milat. NSW police are on the search for a murderer after the bodies of backpackers are found in Belanglo State Forest. Catching Milat is the story of the men who brought the killer to justice. | 
| Name | Character | Episodes | 
|---|---|---|
| Lucy Bell | Jill Walters | 2 | 
| Ben Geurens | David 'Bodge' Milat | 2 | 
| Helen Thomson | Dr Miriam Bentley | 2 | 
| Leeanna Walsman | Shirley Milat | 2 | 
| David Field | Detective Neil Birse | 2 | 
| Craig Hall | Detective Rod Lynch | 2 | 
| David Ritchie | David Gill | 2 | 
| Luke Ford | Detective Bob Godden | 2 | 
| John Brumpton | Artie Bigman | 2 | 
| Sacha Horler | Karen | 2 | 
| Linda Ngo | Therese | 2 | 
| Richard Healy | Justice Hunt | 2 | 
| Fletcher Humphrys | Richard Milat | 2 | 
| Anita Hegh | Alison Small | 2 | 
| Malcolm Kennard | Ivan Milat | 2 | 
| Leah Vandenberg | Chalinder Hughes | 2 | 
| Richard Sutherland | Detective Royce Gorman | 2 | 
| Ingrid Kleinig | Joanne Berry | 2 | 
| Geoff Morrell | Superintendent Clive Small | 2 | 
| Doris Younane | Psychiatrist (Dr Stein) | 2 | 
| Alan Lovell | Detective O'Connor | 2 | 
| Lauren Clair | Janine | 2 | 
| Lenka | Polglase's Wife | 2 | 
| Steve Le Marquand | Phil Polglase | 2 | 
| Alan Flower | Alex Milat | 2 | 
| Julian Maroun | Paymaster (Boral) | 2 | 
| Stephen Anderton | Bruce Pryor | 2 | 
| Salvatore Coco | Detective Mark Camenzuli | 2 | 
| Michael Denkha | Des Butler | 2 | 
| Daniel Krige | Wally Milat | 2 | 
| Natalia Ladyko | Simone Schmidl | 2 |