A look at a few chapters in the life of Poppy, a cheery, colorful, North London schoolteacher whose optimism tends to exasperate those around her.
Unfortunately the movie Happy-Go-Lucky is not yet available on HBO Max.
| Directing | Mike Leigh | Director |
| Production | Simon Channing Williams | Producer |
| Production | Gail Egan | Executive Producer |
| Production | James Clayton | Executive Producer |
| Production | Duncan Reid | Executive Producer |
| Production | Tessa Ross | Executive Producer |
| Camera | Dick Pope | Director of Photography |
| Editing | Jim Clark | Editor |
| Art | Mark Tildesley | Production Design |
| Costume & Make-Up | Jacqueline Durran | Costume Design |
| Sound | Tim Fraser | Sound Designer |
| Production | Nina Gold | Casting |
| Writing | Mike Leigh | Screenplay |
| Production | David Garrett | Executive Producer |
| Sound | Gary Yershon | Original Music Composer |
| Costume & Make-Up | Holly Waddington | Assistant Costume Designer |
| Sound | Tim Fraser | Sound Recordist |
| Costume & Make-Up | Christine Blundell | Makeup Designer |
| Costume & Make-Up | Christine Blundell | Hair Designer |
| Production | Georgina Lowe | Co-Producer |
| Art | Denis Schnegg | Art Direction |
| Art | Patrick Rolfe | Supervising Art Director |
| Art | Michelle Day | Set Decoration |
| Costume & Make-Up | Lesa Warrener | Makeup Artist |
| Directing | Chloe Chesterton | Second Assistant Director |
| Directing | Josh Robertson | First Assistant Director |
| Lighting | Matthew Moffat | Gaffer |
| Sound | Nigel Stone | Sound Re-Recording Mixer |
| Sound | Robert Farr | Sound Re-Recording Mixer |
| Sound | Mark Paterson | Sound Re-Recording Mixer |
| Camera | Simon Mein | Still Photographer |
| Art | Chris Allies | Title Designer |
| Crew | Isabel Baquero | Choreographer |
