Vitoria-Gasteiz, Basque Country, Spain, 2019. Two corpses appear in the crypt of the Old Cathedral. Police officer Unai López de Ayala, an expert in criminal profiling, must hunt down the ritual murderer who has been terrorizing the city for two decades.
Unfortunately the movie Twin Murders: The Silence of the White City is not yet available on HBO Max.
| Production | Daniel Calparsoro | Producer |
| Production | Mar Targarona | Producer |
| Production | Joaquín Padró | Producer |
| Production | Mikel Lejarza | Producer |
| Production | Mercedes Gamero | Producer |
| Sound | José A. Manovel | Sound Mixer |
| Production | Rosa Estévez | Casting Director |
| Production | José Torrescusa | Executive Producer |
| Production | Joaquín Padró | Executive Producer |
| Sound | James Muñoz | Sound Designer |
| Sound | Aitor Berenguer | Sound Recordist |
| Production | Josep Amorós | Production Director |
| Visual Effects | Juanma Nogales | Visual Effects Supervisor |
| Directing | Penélope Cristóbal | Second Assistant Director |
| Production | Paula G. Matienzo | Production Coordinator |
| Directing | Ander Fernández | Second Assistant Director |
| Production | Álex Miyata | Production Manager |
| Costume & Make-Up | Caitlin Acheson | Makeup Designer |
| Costume & Make-Up | Cristina Caparrós | Hair Designer |
| Crew | Gregory Brossard | Stunt Coordinator |
| Production | Lupe Martínez | Location Manager |
| Directing | Sandra Serna | Script Supervisor |
| Directing | Sara Mazquiaran | Assistant Director |
| Camera | Javi G. Marinero | Focus Puller |
| Directing | Óscar Santamaría | Second Assistant Director |
| Camera | Imanol Nabea | Second Unit Director of Photography |
| Art | Jaime Anduiza | Art Direction |
| Art | Ferrán Navarro-Beltrán | Graphic Designer |
| Writing | Pablo Buratti | Storyboard |
| Art | Montse Soler | Property Master |
| Crew | Paule Barcenilla | Thanks |
| Art | Pipi Sánchez | Property Master |
| Production | Patricia Tejedor Cruz | Post Production Coordinator |
| Camera | Imanol Nabea | Camera Operator |
| Art | Oriol Puig | Art Direction |
| Crew | Eva García Sáenz de Urturi | Thanks |
| Camera | Julio Fernández Santa | Key Grip |
| Crew | Àlex Monner | Thanks |
| Production | Marina Padró Targarona | Associate Producer |
| Visual Effects | Gregory Brossard | Special Effects Supervisor |
| Crew | Kiti Mánver | Thanks |
| Production | Maribel Robles | Associate Producer |
| Production | Enric Marfà | Associate Producer |
| Camera | Samantha López Speranza | Still Photographer |
| Editing | Juan Alba | Assistant Editor |
| Lighting | Diego Moyano | Gaffer |
| Art | Sol Saban | Set Decoration |
| Sound | Manuel Carrión | Foley Artist |
| Camera | Jordi Florensa | Focus Puller |
| Sound | James Muñoz | Sound Effects Editor |
| Production | Iván Arroyo | Location Manager |
| Directing | Daniel Calparsoro | Director |
| Editing | Antonio Frutos | Editor |
| Art | Balter Gallart | Production Design |
| Writing | Alfred Pérez-Fargas | Screenplay |
| Writing | Roger Danès | Screenplay |
| Sound | Fernando Velázquez | Original Music Composer |
| Camera | Josu Inchaustegui | Director of Photography |
| Writing | Eva García Sáenz de Urturi | Novel |
| Costume & Make-Up | Laura Cuesta | Costume Designer |
