Centraal staat Melvin, een Britse auteur die in Amerika woont en voor Kerstmis terugkeert naar Londen om zijn Amerikaanse verloofde Lisa voor te stellen aan zijn excentrieke Brits-Caribische familie. Hun relatie wordt op de proef gesteld als zij de wereld ontdekt die haar verloofde heeft achtergelaten.
Nee, helaas is Boxing Day nog niet beschikbaar op Netflix in Nederland.
| Camera | David Pimm | Director of Photography |
| Production | Daniel Battsek | Executive Producer |
| Production | Farhana Bhula | Executive Producer |
| Production | Lauren Dark | Executive Producer |
| Editing | Rebecca Lloyd | Editor |
| Costume & Make-Up | Buki Ebiesuwa | Costume Design |
| Art | Jessamy Hadfield | Set Decoration |
| Costume & Make-Up | Jodie Al-Saiegh | Makeup Artist |
| Costume & Make-Up | Jodie Al-Saiegh | Hairstylist |
| Costume & Make-Up | Francoise Herard | Makeup Artist |
| Costume & Make-Up | Francoise Herard | Hairstylist |
| Art | Jack Hawthorn | Art Direction |
| Sound | Peter Burgis | Foley Artist |
| Sound | Janis Ahnert | Sound Effects Editor |
| Sound | Foley Farmers | Foley Editor |
| Sound | Simon Hill | Sound Re-Recording Mixer |
| Sound | Maxwell MacRae | Foley Editor |
| Sound | Bernard O'Reilly | Sound Effects Editor |
| Sound | Franziska Treutler | Foley Artist |
| Sound | Cassandra Rutledge | Sound Mixer |
| Sound | Johnathan Rush | Sound Re-Recording Mixer |
| Sound | Russell Edwards | Sound Mixer |
| Production | Aml Ameen | Producer |
| Crew | Sarah Lochlan | Stunts |
| Production | Isabella Odoffin | Casting |
| Sound | David Fish | Music Supervisor |
| Sound | James Poyser | Original Music Composer |
| Art | Gini Godwin | Production Design |
| Production | Dylan Rees | Co-Producer |
| Production | Ollie Madden | Executive Producer |
| Production | Thorsten Schumacher | Executive Producer |
| Production | Dominique Telson | Producer |
| Production | Damian Jones | Producer |
| Production | Joy Gharoro-Akpojotor | Producer |
| Production | Matthew G. Zamias | Producer |
| Writing | Bruce Purnell | Screenplay |
| Production | Bruce Purnell | Co-Producer |
| Costume & Make-Up | Nora Robertson | Makeup & Hair |
| Production | Paul Young | Unit Manager |
| Directing | Aml Ameen | Director |
| Writing | Aml Ameen | Screenplay |
| Camera | David Pearce | First Assistant "A" Camera |
| Camera | Damon Sewell | Second Assistant "B" Camera |
