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 | Lauren Dark | Executive Producer |
| Production | Daniel Battsek | Executive Producer |
| Art | Jessamy Hadfield | Set Decoration |
| Production | Farhana Bhula | Executive Producer |
| Costume & Make-Up | Buki Ebiesuwa | Costume Design |
| Editing | Rebecca Lloyd | Editor |
| Sound | Cassandra Rutledge | Sound Mixer |
| Sound | Russell Edwards | Sound Mixer |
| Costume & Make-Up | Jodie Al-Saiegh | Makeup Artist |
| Costume & Make-Up | Francoise Herard | Makeup Artist |
| Costume & Make-Up | Francoise Herard | Hairstylist |
| Art | Jack Hawthorn | Art Direction |
| Costume & Make-Up | Jodie Al-Saiegh | Hairstylist |
| Sound | Maxwell MacRae | Foley Editor |
| Sound | Franziska Treutler | Foley Artist |
| Sound | Foley Farmers | Foley Editor |
| Sound | Bernard O'Reilly | Sound Effects Editor |
| Sound | Johnathan Rush | Sound Re-Recording Mixer |
| Sound | Simon Hill | Sound Re-Recording Mixer |
| Sound | Peter Burgis | Foley Artist |
| Sound | Janis Ahnert | Sound Effects Editor |
| 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 | Joy Gharoro-Akpojotor | Producer |
| Production | Damian Jones | Producer |
| Production | Thorsten Schumacher | Executive Producer |
| Production | Dominique Telson | Producer |
| Production | Dylan Rees | Co-Producer |
| Production | Matthew G. Zamias | Producer |
| Production | Ollie Madden | Executive Producer |
| Costume & Make-Up | Nora Robertson | Makeup & Hair |
| Writing | Bruce Purnell | Screenplay |
| Production | Bruce Purnell | Co-Producer |
| 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 |
