Two young American women go on a Mediterranean vacation and uncover the watery lair of a killer mermaid hidden beneath an abandoned military fortress.
Unfortunately the movie Killer Mermaid is not yet available on HBO Max.
| Production | Goran Djikic | Executive Producer |
| Production | Ivan Pribićević | Executive Producer |
| Production | Kristina Klebe | Associate Producer |
| Production | Slobodan Jocic | Executive Producer |
| Production | Milan Todorović | Executive Producer |
| Writing | Marko Backović | Story |
| Directing | Milan Todorović | Director |
| Crew | Dimitrije Joković | Cinematography |
| Production | Lada Vukotic Stamatov | Co-Producer |
| Editing | Filip Dedić | Editor |
| Sound | Ognjen Popić | Sound Re-Recording Mixer |
| Visual Effects | Nikola Vulović | Animation |
| Sound | Vladimir Uspenski | Sound Designer |
| Art | Ivan Denić | Production Design |
| Production | Marko Jocić | Producer |
| Crew | Miroslav Lakobrija | Makeup Effects |
| Crew | Nikola Stojanović | Property Master |
| Costume & Make-Up | Jelena Đorđević | Costume Design |
| Visual Effects | Ivan Pribićević | VFX Supervisor |
| Camera | Aleksandar Papajić | Still Photographer |
| Sound | Nikola Jeremić | Music |
| Costume & Make-Up | Tijana Draguljević | Makeup Artist |
| Visual Effects | Ivan Arsić | VFX Artist |
| Crew | Ana Pakljanac | Visual Effects Art Director |
| Lighting | Nebojša Slavujević | Gaffer |
| Production | Milena Predić | Casting |
| Camera | Janez Kranjc | Underwater Camera |
| Crew | Slaviša Ivanović | Stunt Coordinator |
| Crew | Aleksandar 'Sergio' Kalezić | Second Unit Cinematographer |
| Camera | Ivana Orlović Kranjc | Underwater Camera |
| Directing | Marija Pejin | Script Supervisor |
| Sound | Nikola Radivojević | Sound Designer |
| Crew | Danilo Dudić | Special Effects Coordinator |
| Visual Effects | Branko Brković | Animation |
| Writing | Milan Konjević | Writer |
| Writing | Barry Keating | Writer |
