An ambitious young journalist uncovers the horrific slaughter of 22,000 Polish officers during World War II, a secret kept hidden for far too many years.
Unfortunately the movie The Last Witness is not yet available on HBO Max.
| Production | Laurence Brown | Executive Producer |
| Directing | Piotr Szkopiak | Director |
| Writing | Piotr Szkopiak | Writer |
| Production | Grant Bradley | Executive Producer |
| Production | Maggie Monteith | Executive Producer |
| Production | Andrew Boswell | Executive Producer |
| Production | Alex Pettyfer | Co-Producer |
| Production | Fred Hedman | Executive Producer |
| Production | Chris Reed | Executive Producer |
| Writing | Paul Szambowski | Writer |
| Production | Carol Harding | Producer |
| Production | Edoardo Bussi | Executive Producer |
| Sound | Bartosz Chajdecki | Original Music Composer |
| Production | Steve Hodges | Executive Producer |
| Production | Joe Osunsanmi | Executive Producer |
| Camera | Edward Ames | Director of Photography |
| Art | Nick Turner | Production Design |
| Production | Guy Collins | Executive Producer |
| Production | Michael Ryan | Executive Producer |
| Editing | Jo Dixon | Editor |
| Costume & Make-Up | Amy Wilkinson | Makeup & Hair |
| Sound | Aran Clifford | Sound Re-Recording Mixer |
| Directing | Grantly Butters | First Assistant Director |
| Art | Daniel Elcock | Dressing Prop |
| Crew | James Darnbrough | Scenic Artist |
| Sound | James Trusson | ADR Recordist |
| Sound | Ricky Butt | Foley Artist |
| Costume & Make-Up | Shamirah Sairally | Makeup & Hair |
| Sound | Peter Styles | Boom Operator |
| Art | Katy Hooper | Standby Art Director |
| Production | Jeremy Zimmermann | Casting |
| Costume & Make-Up | Natalie Melling | Makeup & Hair |
| Sound | Tim Cavagin | Sound Re-Recording Mixer |
| Costume & Make-Up | Ella Noble-Jones | Assistant Makeup Artist |
| Art | Jenni Payne | Graphic Designer |
| Sound | Billy Bannister | Sound Mixer |
| Costume & Make-Up | Melanie Lindsey | Hair Designer |
| Costume & Make-Up | Lilian Komor | Makeup & Hair |
| Art | Phil King | Storyboard Artist |
| Sound | Sophia Hardman | Foley Mixer |
| Art | Tom Holden | Dressing Prop |
| Production | Deborah Aston | Production Manager |
| Art | Pete Williams | Storyboard Artist |
| Costume & Make-Up | Hilary Hughes | Costume Design |
| Costume & Make-Up | Melanie Lindsey | Makeup Designer |
| Sound | Joseph Stracey | Sound Effects Editor |
| Visual Effects | Biswal Miraj | 3D Generalist |
| Editing | Michelle Cort | Colorist |
| Sound | Lee Herrick | Supervising Sound Editor |
| Crew | Jitesh Gohil | Compositor |
| Visual Effects | Jagdish Kini | 3D Generalist |
| Crew | Emily Prieditis | Floor Runner |
| Crew | Parag Chaudhari | Compositor |
| Visual Effects | Clwyd Edwards | Visual Effects Producer |
| Sound | Craig Irving | Sound Re-Recording Mixer |
| Visual Effects | Trilochan Naik | 3D Generalist |
| Costume & Make-Up | Suzanne Bolton | Costume Supervisor |
| Production | Jo Harris | Casting Assistant |
| Crew | Arseniy Herasymiv | Translator |
| Production | Paul Honeyghan | Location Manager |
| Production | Julia Higginbottom | Production Coordinator |
| Production | Irene Ilias | Casting Associate |
| Crew | Neil Mountain | Armorer |
| Visual Effects | Brooke Lyndon-Stanford | Visual Effects Supervisor |
| Crew | Jake Edmonds | Health and Safety |
| Crew | Jitu Naik | Compositor |
| Sound | Jan Sanejko | Orchestrator |
| Production | David Forde | Production Assistant |
| Crew | Suyog Pore | Compositor |
| Editing | Tom Cairns | Digital Intermediate Assistant |
| Crew | Daniela Cazmal | Translator |
| Camera | Dan Hooton | Camera Trainee |
| Lighting | Alice Stephens | Electrician |
| Lighting | Luke Trevena | Electrician |
| Camera | Gordon McMillan | First Assistant Camera |
| Camera | Dan Cain | Digital Imaging Technician |
| Lighting | Craig Emery | Electrician |
| Lighting | Peter Trevena | Gaffer |
| Lighting | Michael Bonnar | Electrician |
| Directing | Sharon Ranger | Script Supervisor |
| Camera | Joe De Kadt | Still Photographer |
| Camera | Matthew French | Second Assistant Camera |
