Locked up for a minor crime, 19 year old JR quickly learns the harsh realities of prison life. Protection, if you can get it, is paramount. JR soon finds himself under the watchful eye of Australia's most notorious criminal, Brendan Lynch, but protection comes at a price.
Unfortunately the movie Son of a Gun is not yet available on HBO Max.
| Directing | Julius Avery | Director |
| Writing | Julius Avery | Writer |
| Production | Timothy White | Producer |
| Camera | Nigel Bluck | Director of Photography |
| Editing | Jack Hutchings | Editor |
| Production | Nikki Barrett | Casting |
| Art | Fiona Crombie | Production Design |
| Art | Sophie Nash | Art Direction |
| Costume & Make-Up | Terri Lamera | Costume Design |
| Art | Meredith Hussey | Art Department Coordinator |
| Art | Kristen Anderson | Set Designer |
| Crew | John Collee | Additional Writing |
| Sound | Jed Kurzel | Original Music Composer |
| Production | Janelle Landers | Co-Producer |
| Production | John Collee | Executive Producer |
| Production | Richard East | Executive Producer |
| Production | Aaron L. Gilbert | Executive Producer |
| Production | Bryce Menzies | Executive Producer |
| Production | Aidan O'Bryan | Executive Producer |
| Production | Michael Spiccia | Executive Producer |
| Crew | John Fox | Armorer |
| Directing | Melissa Hayward | Script Supervisor |
| Production | Natalie Wall | Casting Associate |
| Camera | Jim Frater | Steadicam Operator |
| Camera | David Dare Parker | Still Photographer |
| Camera | Jim Frater | Underwater Camera |
| Lighting | Jean Vandermeiren | Gaffer |
| Lighting | Adam Hunter | Gaffer |
| Crew | Laurie Hughes | Visual Effects Editor |
| Visual Effects | Peter Stubbs | Special Effects Supervisor |
| Visual Effects | Mark Holman Harris | Visual Effects Supervisor |
| Crew | Trevor Hope | Sound Recordist |
| Sound | Stuart Morton | Sound Effects Editor |
| Sound | Sam Hayward | Sound Re-Recording Mixer |
| Sound | Robert Mackenzie | Sound Re-Recording Mixer |
| Sound | William Ward | Supervising Sound Editor |
| Editing | Matthew T. Griffin | Digital Intermediate |
| Editing | Katherine Heads | Digital Intermediate |
| Costume & Make-Up | Wendy De Waal | Makeup Designer |
| Costume & Make-Up | Peta Hastings | Key Makeup Artist |
| Costume & Make-Up | Simone Lee | Makeup & Hair |
| Art | Sophie Durham | Property Master |
| Art | Peter Savieri | Storyboard Artist |
| Sound | Mick Boraso | Assistant Sound Editor |
| Sound | Thom Kellar | Assistant Sound Editor |
| Sound | Aron Dyer | Boom Operator |
| Sound | Andy Newton | Boom Operator |
| Sound | Dan Johnston | Foley Artist |
| Sound | Andrew Simmons | Foley Editor |
| Sound | Blair Slater | Foley Mixer |
| Sound | Duncan McAllister | Foley Recordist |
| Sound | Jenny T. Ward | Supervising Dialogue Editor |
| Sound | Leah Katz | Dialogue Editor |
| Lighting | Guang-Hui Chuan | Electrician |
| Camera | Adam Kuiper | Key Grip |
| Lighting | Mark McCumber | Lighting Technician |
| Production | Laura Bock | Extras Casting |
| Costume & Make-Up | Lauren Widdicombe | Costume Assistant |
| Costume & Make-Up | Andrea Hood | Key Costumer |
| Editing | John Erasmus | Assistant Editor |
| Editing | Laurie Hughes | Assistant Editor |
| Editing | Amee Nicol | Assistant Editor |
| Production | Nelson Khoury | Location Manager |
| Sound | Matt Lovell | Music Editor |
| Sound | Jennifer Taunton | Music Supervisor |
| Crew | Ashley Williams | Aerial Coordinator |
| Crew | Rick Reid | Marine Coordinator |
| Art | Finn Spencer | Title Designer |
| Crew | Brooke Wilkins | Unit Publicist |
| Production | James Dean | Executive Producer |
| Production | Ben Breen | Production Accountant |
| Crew | Sarah Shepherd | Dialect Coach |
