Six weeks after the Gu'un aliens have invaded and completely conquered Earth, hapless Stewart becomes the Gu'uns' official human liaison who ends up saddled with alien Greggs for a housemate. Stewart must help the Gu'uns deliver their message to the masses and win favour with humankind, while also aiding the human resistance and managing his enduring crush on Elodie.
Unfortunately the movie We Are Not Alone is not yet available on HBO Max.
| Production | Kenton Allen | Executive Producer |
| Production | Matthew Justice | Executive Producer |
| Writing | Ben Willbond | Writer |
| Production | Victoria Grew | Executive Producer |
| Writing | Laurence Rickard | Writer |
| Directing | Fergal Costello | Director |
| Production | Phil Leach | Producer |
| Production | Joseph Scantlebury | Development Producer |
| Production | Pete Thornton | Executive Producer |
| Production | Jac Ashton | Line Producer |
| Costume & Make-Up | Darren Finch | Costume Designer |
| Production | Tracey Gillham | Casting Director |
| Editing | Malcolm Moloney | Editor |
| Sound | Mark Murphy | Music |
| Production | Jim Holloway | Production Designer |
| Art | Francis Culley | Prop Designer |
| Camera | Philip Blake | Director of Photography |
| Art | Alex Evans | Art Direction |
| Crew | Andy Merchant | Stunt Coordinator |
| Production | Rachel Vipond | Production Coordinator |
| Directing | Callum Carson | Second Assistant Director |
| Production | Katie Haworth | Production Assistant |
| Directing | Pauline Christopher | Script Supervisor |
| Directing | Matthew Bensley | Second Assistant Director |
| Crew | Paul Ginns | Stunt Double |
| Production | Gemma Rothwell | Production Accountant |
| Art | Kim Thackeray | Standby Art Director |
| Camera | Hannah Redhead | Camera Trainee |
| Camera | Conor Spencer | Camera Trainee |
| Directing | Catherine Kinson | Third Assistant Director |
| Production | Beth McAreavey | Location Assistant |
| Directing | Courtney Evans | Third Assistant Director |
| Art | Natasha Carlyle | Standby Art Director |
| Art | Chris Aldom | Graphic Designer |
| Art | Nathalie Page | Standby Art Director |
| Production | Leonie Green | Assistant Accountant |
| Directing | Eileen Wood | Script Supervisor |
| Crew | Olivia Playfair | Floor Runner |
| Production | Laura Power | Assistant Location Manager |
| Art | Alan Shaw | Property Master |
| Camera | Rob Finch | Focus Puller |
| Lighting | Stuart Johnson | Gaffer |
| Sound | Chris Young | Boom Operator |
| Costume & Make-Up | Rebecca Scott | Prosthetics |
| Camera | Daniel Gadd | "B" Camera Operator |
| Production | Katie Kearney | Production Executive |
| Crew | Dean Forster | Stunt Coordinator |
| Production | Louise Froggatt | Assistant Production Coordinator |
| Camera | Luke Byrne | Grip |
| Camera | Ben Langley | Focus Puller |
| Camera | Julius Ogden | Focus Puller |
| Costume & Make-Up | Alexandra Hargreaves | Makeup & Hair |
| Editing | Jamie Parry | Colorist |
| Production | Michelle Cavanagh | Casting Associate |
| Editing | Robert Douglas-Reeves | Online Editor |
| Costume & Make-Up | Davy Jones | Makeup Designer |
| Costume & Make-Up | Laura Flynn | Makeup Supervisor |
| Lighting | Tom McGoldrick | Electrician |
| Crew | Kiri Degon | Post Production Supervisor |
| Editing | Alex Beards | Assistant Editor |
| Directing | Simon Dale | First Assistant Director |
| Camera | Danny Young | Second Assistant Camera |
| Camera | Joana Soares | Camera Trainee |
| Costume & Make-Up | Laura Flynn | Hair Supervisor |
| Costume & Make-Up | Davy Jones | Hair Designer |
| Costume & Make-Up | Noah Ehrhardt | Prosthetics |
| Production | Gem Pinkney | Publicist |
| Camera | Shem McLoughlin | Assistant Grip |
| Lighting | Alex Rigert-Harnden | Electrician |
| Sound | Harry Tulley | Dialogue Editor |
| Art | Liam O'Hara | Construction Manager |
| Camera | Abi McVeigh | Second Assistant Camera |
| Lighting | Ian Maclure | Best Boy Electric |
| Visual Effects | Paul Woodward | Visual Effects Supervisor |
| Costume & Make-Up | Donna Dean | Makeup & Hair |
| Editing | Sam Butler | Online Editor |
| Costume & Make-Up | Davy Jones | Prosthetic Designer |
| Camera | Ben Lowe | Grip |
| Camera | Paul J Andrew | Digital Imaging Technician |
| Production | Natasha Torin | Post Production Coordinator |
| Production | Alex Tridimas | Location Manager |
| Sound | Paddy McGuirk | Sound Recordist |
| Camera | Dean Keague | Second Assistant Camera |
| Costume & Make-Up | Alex McGregor | Costume Supervisor |
| Art | Jim Holloway | Production Design |
| Sound | Adam Powell-Evans | Sound Mixer |
| Editing | Thomas Perrett | Additional Editing |
| Directing | Davy Hughes | First Assistant Director |
