Instead of joining the graduation trip with her friends, Mabel is forced to travel with her parents to a ski station in Chile. Only she didn't expect this freezing retreat could introduce her to a secret group of friends and a potential new love.
Unfortunately the movie An Unforgettable Year – Winter is not yet available on HBO Max.
| Directing | Caroline Fioratti | Director |
| Writing | Ângela Hirata Fabri | Writer |
| Writing | Paula Pimenta | Novel |
| Production | Mara Lobão | Producer |
| Production | Augusto Medeiros | Executive Producer |
| Production | Rodrigo Montenegro | Producer |
| Production | Irina Neves | Executive Producer |
| Production | Lara Rodi | Executive Producer's Assistant |
| Editing | Leopoldo Nakata | Editor |
| Art | Marghe Pennacchi | Art Direction |
| Costume & Make-Up | Julia Jacobina | Assistant Costume Designer |
| Costume & Make-Up | Renata Russo | Costume Design |
| Directing | Patricio Acuña | Third Assistant Director |
| Art | Laura Borelli | Assistant Art Director |
| Writing | Ricardo Inhan | Writers' Assistant |
| Art | Tayla Nicoletti | Graphic Designer |
| Art | Deborah Sangui | Assistant Art Director |
| Sound | Marcelo Caseiro | Boom Operator |
| Sound | João Henrique Costa | Boom Operator |
| Sound | Marcel Costa | Sound Mixer |
| Sound | Rodrigo Ferrante | Supervising Sound Editor |
| Sound | Andréia Freire | Foley Artist |
| Camera | Luz Guerra | Camera Operator |
| Camera | Ricardo Góis | Second Assistant Camera |
| Camera | Cleber Isler | First Assistant Camera |
| Camera | Mika Nobre | First Assistant Camera |
| Camera | Marcio Nunes | Still Photographer |
| Camera | Ana Carolina Osorio | Second Assistant Camera |
| Crew | Tetel Paixão | Video Assist Operator |
| Crew | Milca Piskulich | Video Assist Operator |
| Camera | Rodrigo Reis | Camera Operator |
| Crew | Felipe Gomes | Post Production Assistant |
| Editing | Felipe Gomes | Assistant Editor |
| Sound | Mariana Amabis | Music Supervisor |
| Sound | Pedro Lima | Music Editor |
| Sound | Pedro Lima | Music Score Producer |
| Crew | Higor Mourão | Assistant Script |
| Crew | Deyse Reis | Transportation Coordinator |
| Editing | David Donato | Assistant Editor |
| Camera | Hélcio Alemão Nagamine | Director of Photography |
