After spending graduation night together, Emma and Dexter go their separate ways — but their lives remain intertwined.
You can now watch One Day online on the following streaming providers in the United States.
| Writing | David Nicholls | Novel |
| Production | Roanna Benn | Executive Producer |
| Production | Jude Liknaitzky | Executive Producer |
| Production | Nicole Taylor | Executive Producer |
| Production | Nige Watson | Producer |
| Production | Rachel Sheridan | Casting Director |
| Costume & Make-Up | Emma Rees | Costume Designer |
| Costume & Make-Up | Juliette Tomes | Makeup Designer |
| Production | Andrew Chapman | Line Producer |
| Production | David Nicholls | Executive Producer |
| Production | Kate Stannard | Post Production Producer |
| Sound | Jessica Jones | Original Music Composer |
| Sound | Tim Morrish | Original Music Composer |
| Sound | Anne Nikitin | Original Music Composer |
| Art | Seeta Lingam | Supervising Art Director |
| Art | Sophia Stapleton | Standby Art Director |
| Art | Mickaela Trodden | Set Decoration |
| Editing | Justin Eely | Online Editor |
| Art | Patrick Rolfe | Production Design |
| Costume & Make-Up | Georgina Coupland | Makeup Artist |
| Art | Lucy Williams | Assistant Art Director |
| Sound | Sam Walsh | Foley Mixer |
| Sound | Neale Ross | Foley Artist |
| Sound | Steven Phillips | Production Sound Mixer |
| Sound | Laura Lovejoy | ADR Supervisor |
| Sound | Jane Lo | Sound Effects Editor |
| Sound | Rhiana Field | Foley Editor |
| Sound | James Bowman | ADR Mixer |
| Sound | Antony Bayman | Supervising Sound Editor |
| Crew | Neal Champion | Special Effects |
| Production | Katie Mozumder | Casting Associate |
| Lighting | Paul Joy | Gaffer |
| Camera | Shane de Almeida | Focus Puller |
| Camera | Andrew Bainbridge | Steadicam Operator |
| Visual Effects | Polly Cartwright | Visual Effects Producer |
| Visual Effects | Leonie Steeger | Visual Effects Producer |
| Visual Effects | Dominic Thomson | Visual Effects Supervisor |
| Visual Effects | Simon Wilkinson | Visual Effects Supervisor |
