When a homeless Romani boy is arrested at the Danish border for possession of a missing public servant's passport, police inspector Carl Mørck and Department Q are tasked with finding the connection.
Unfortunately the movie The Marco Effect is not yet available on HBO Max.
| Sound | Sune Martin | Music |
| Production | Sandra Foss | Line Producer |
| Lighting | Andreas Kragh-Jacobsen | Gaffer |
| Art | Gitte Malling | Production Design |
| Sound | Nino Jacobsen | Sound Editor |
| Production | Lina Wichmann | Post Producer |
| Production | Peter Nadermann | Co-Producer |
| Production | Madara Kalninja | Production Manager |
| Writing | Martin Zandvliet | Co-Writer |
| Costume & Make-Up | Susie Bjørnvad | Costume Designer |
| Crew | Hummer Højmark | Special Effects Coordinator |
| Production | Arwa Salmanova | Casting |
| Production | Wolfgang Feindt | Co-Producer |
| Costume & Make-Up | Tina Norup Helmark | Makeup Designer |
| Sound | Benjamin Hörbe | Sound Editor |
| Sound | Julien Naudin | Foley Artist |
| Production | Doris Schrenner | Co-Producer |
| Editing | Per Sandholt | Editor |
| Sound | Lars Ginzel | Sound Designer |
| Editing | Mette Lybæk | Editor |
| Production | Henrik Zein | Executive Producer |
| Editing | Per K. Kirkegaard | Editor |
| Sound | Frank Kruse | Sound Editor |
| Sound | Markus Stemler | Sound Editor |
| Writing | Thomas Porsager | Co-Writer |
| Camera | Aske Foss | Director of Photography |
| Crew | Jacob Sebastian Malm Carlsen | Stunt Coordinator |
| Production | Tanja Grunwald | Casting |
| Visual Effects | Martin Madsen | VFX Supervisor |
| Directing | Greta Varts | First Assistant Director |
| Directing | Martin Zandvliet | Director |
| Writing | Anders Frithiof August | Writer |
| Writing | Jussi Adler-Olsen | Novel |
| Production | Mikael Chr. Rieks | Producer |
