Mary Lennox is born in India to wealthy British parents who never wanted her. When her parents suddenly die, she is sent back to England to live with her uncle. She meets her sickly cousin, and the two children find a wondrous secret garden lost in the grounds of Misselthwaite Manor.
Unfortunately the movie The Secret Garden is not yet available on HBO Max.
| Production | David Heyman | Producer |
| Production | Dan MacRae | Executive Producer |
| Production | Jane Robertson | Co-Producer |
| Writing | Frances Hodgson Burnett | Novel |
| Costume & Make-Up | Michele Clapton | Costume Design |
| Sound | Nigel Albermaniche | Production Sound Mixer |
| Directing | Liz West | Script Supervisor |
| Production | Rosie Alison | Producer |
| Directing | Marc Munden | Director |
| Production | Didier Lupfer | Executive Producer |
| Art | Solomon Honey | Assistant Art Director |
| Production | Danny Perkins | Executive Producer |
| Camera | Lol Crawley | Director of Photography |
| Production | Ron Halpern | Executive Producer |
| Costume & Make-Up | Nadia Stacey | Makeup Designer |
| Art | Grant Montgomery | Production Design |
| Sound | Dario Marianelli | Original Music Composer |
| Editing | Luke Dunkley | Editor |
| Costume & Make-Up | Nadia Stacey | Hair Designer |
| Production | Karen Lindsay-Stewart | Casting Director |
| Writing | Jack Thorne | Screenplay |
| Costume & Make-Up | Adele Firth | Makeup Supervisor |
| Costume & Make-Up | Sophie O'Neill | Assistant Costume Designer |
| Camera | Derrick Peters | Camera Operator |
| Costume & Make-Up | Samantha Denyer | Hair Supervisor |
| Costume & Make-Up | Adele Firth | Hair Supervisor |
| Directing | Olivia Lloyd | Second Assistant Director |
| Costume & Make-Up | Giles Gale | Costume Supervisor |
| Camera | Tom Wilkinson | Camera Operator |
| Camera | Terry Williams | Key Grip |
| Visual Effects | David Walker | Modeling |
| Art | Douglas Ingram | Storyboard Artist |
| Costume & Make-Up | Anna Morena | Makeup & Hair |
| Costume & Make-Up | Jemma Carballo | Makeup Supervisor |
| Lighting | Westley Agius | Electrician |
| Camera | James Baudouy | Epk Camera Operator |
| Lighting | Jack Farrow | Lighting Technician |
| Camera | Henry Landgrebe | Steadicam Operator |
| Camera | Parisa Taghizadeh | Still Photographer |
| Visual Effects | Luca Serafini | Digital Compositor |
| Camera | Elliot Dupuy | Second Assistant Camera |
| Visual Effects | Yusuf Hasan | Digital Compositor |
| Visual Effects | Chris Berry | Digital Compositor |
| Editing | Jonathan Collard | Digital Intermediate |
| Camera | Steve Quan | Drone Cinematographer |
| Lighting | William Sheffield | Electrician |
| Camera | Ray Meere | First Assistant Camera |
| Visual Effects | Chieka Ononye | Digital Compositor |
| Art | Luke Anstiss | Dressing Prop |
| Crew | Ranjana Mitra | Chaperone |
| Crew | Lara Cornell | Set Production Assistant |
| Camera | Nick Wall | Additional Still Photographer |
| Camera | Darren Miller | Aerial Camera |
| Crew | Brooke McGowan | Compositor |
| Visual Effects | Peter Dudley | Digital Compositor |
| Visual Effects | Cyrille Gohier | Digital Compositor |
| Visual Effects | Rupert Smith | Visual Effects Producer |
| Sound | Jens Rosenlund Petersen | Sound Designer |
| Art | Manuel Vilaseca Vaya | Dressing Prop |
| Visual Effects | Adam Ward | Animation |
| Production | Catherine Booton | Production Coordinator |
| Production | Paul Smith | Production Secretary |
| Directing | Deborah Saban | First Assistant Director |
| Camera | Paul Dain | First Assistant Camera |
| Crew | Maxx Wai In Leong | CG Supervisor |
| Visual Effects | Andrew Pinson | Digital Compositor |
| Sound | Simon Diggins | ADR Mixer |
| Sound | Alastair Sirkett | Supervising Sound Editor |
| Visual Effects | Ollie Thomas | Animation |
| Editing | Adam Shell | Colorist |
| Editing | Chloe Warner-Harris | Online Editor |
| Lighting | Billy Thornhill Jr. | Electrician |
| Crew | David Sheldon | Compositor |
| Visual Effects | Georgia Cook | Visual Effects Coordinator |
| Sound | Mike Tehrani | ADR Mixer |
| Sound | Andrew Stirk | Sound Re-Recording Mixer |
| Costume & Make-Up | Jemma Carballo | Hair Supervisor |
| Camera | Georgia Quilliam | Data Wrangler |
| Camera | Tae Mawson | Epk Producer |
| Art | Jason Vakharia | Dressing Prop |
| Editing | Alexander Phillips | Digital Intermediate Assistant |
| Production | Jenni Lewis | Location Manager |
| Crew | Mark Joiner | Generator Operator |
| Crew | Hadrien Malinjod | Compositor |
| Visual Effects | Tonya Strantzi | Pipeline Technical Director |
| Sound | Lottie Wade | ADR Recordist |
| Sound | Andy Shelley | Supervising Sound Editor |
| Art | Pilar Foy | Supervising Art Director |
| Editing | Lawrence Hook | Digital Intermediate |
| Camera | Mark Kozlowski | Digital Imaging Technician |
| Camera | Charlie Wyldeck-Flowers | Key Grip |
| Camera | Tom Wilkinson | Steadicam Operator |
| Visual Effects | Joel Savage | Modeling |
| Visual Effects | Marco Lee | VFX Artist |
| Art | Noel Cowell | Property Master |
| Art | Jean-Claude Allen | Props |
| Crew | Isobel Richards | Chaperone |
| Lighting | Richard Harrowing | Electrician |
| Lighting | Jonny Franklin | Gaffer |
| Visual Effects | Kailas Huljute | Visual Effects |
| Editing | Rob Farris | Digital Intermediate |
| Visual Effects | Ben Mills | VFX Editor |
| Production | Giulia Simone | Production Assistant |
| Visual Effects | Luke Wilding | Modeling |
| Visual Effects | Andy Kind | Visual Effects Supervisor |
| Visual Effects | Rob Rowley | Special Effects Supervisor |
| Sound | Oliver Ferris | Foley Artist |
| Sound | Conor Kelly | Sound Mix Technician |
| Editing | Adam Glasman | Digital Colorist |
| Visual Effects | Rachel Elfassy-Bitoun | Visual Effects Coordinator |
| Art | Clare Griffiths | Art Department Coordinator |
| Art | Ian Griffin | Set Dresser |
| Production | Liam Fitzpatrick | Production Assistant |
| Costume & Make-Up | Christina Baker | Makeup & Hair |
| Crew | Ben Platts | Drone Operator |
| Crew | Davey Mayes | Generator Operator |
| Sound | Sue Harding | Foley Artist |
| Sound | Adam Mendez | Foley Mixer |
| Art | Daniel Woodard | Dressing Prop |
| Costume & Make-Up | Samantha Denyer | Makeup Supervisor |
| Art | Ema Richards | Textile Artist |
| Lighting | Greg Whitbrook | Electrician |
| Art | Matt Curtis | Title Designer |
| Visual Effects | Penn Stevens | Creature Effects Technical Director |
| Visual Effects | Marc-Olivier Rouleau | Pipeline Technical Director |
| Visual Effects | Gavin Gregory | Visual Effects Producer |
| Sound | Hugo Adams | Foley Editor |
| Sound | Candela Palencia | Sound Mix Technician |
| Art | Temple Clark | Storyboard Artist |
| Camera | John Watters | First Assistant Camera |
| Lighting | Anthony Goulding | Rigging Gaffer |
| Production | Emily Jacobs | Casting Associate |
| Visual Effects | Nicholas Hampshire | Pipeline Technical Director |
| Sound | Gibran Farrah | ADR Mixer |
| Sound | Christopher Atkinson | Boom Operator |
| Art | Gareth Palethorpe | Art Department Assistant |
| Art | Sarah Ruiz Del Vizo | Art Department Assistant |
| Art | Louise Begbie | Graphic Designer |
| Production | Richard May | Production Manager |
| Visual Effects | Cynthia Crimmins | Animation Manager |
| Production | Lucy Morris | Location Coordinator |
| Visual Effects | Adela Popescu | Visual Effects Production Assistant |
| Visual Effects | Laura Marion James | Animation |
| Editing | Emanuele Giraldo | First Assistant Editor |
| Crew | Symon Butcher | Transportation Captain |
| Production | Matthew Bowden | Location Manager |
| Crew | Nick Trumble | Dialect Coach |
| Production | Tamlyn Samuels | Travel Coordinator |
| Crew | Anita Primett | Chaperone |
| Production | David Danisovszky | Payroll Accountant |
