A powerful politician secretly tortures his aide, relying on a supernatural key that whispers what it senses from others. When the aide refuses to surrender and disappears, a former soldier is recruited as the replacement. Realizing he can hear the key speak, the former soldier strikes a deal with the key to uncover the truth behind the aide's disappearance.
Is The Key Witness on Netflix? Unfortunately the movie The Key Witness is not yet available on Netflix.
| Directing | Gregorius Kohar | Director |
| Production | Shania Khairunnisa | Producer |
| Writing | Surur | Story |
| Writing | Nosa Normanda | Co-Writer |
| Writing | Shania Khairunnisa | Co-Writer |
| Writing | Gregorius Kohar | Co-Writer |
| Writing | Surur | Writer |
| Directing | Wendy Qiaw | Assistant Director |
| Camera | Muhammad Rizky Vivaldi | Director of Photography |
| Art | Kathria Salvi | Art Direction |
| Production | Panji Respati | Unit Production Manager |
| Production | Zalfadinaa | Production Assistant |
| Production | Rifky Taufik | Production Assistant |
| Sound | Andika Chairuman Ramadhan | Sound Recordist |
| Sound | Fadli Ferdiansyah | Boom Operator |
| Camera | Kelana Herdian | First Assistant Camera |
| Camera | Hisyam Faisal Madjid | Second Assistant Camera |
| Lighting | Achmad Rizal | Gaffer |
| Lighting | Rafiq Said | Best Boy Lighting Technician |
| Lighting | Salman Insan | Lighting Technician |
| Lighting | M. Fatih Azka | Lighting Technician |
| Crew | Ballan Radhi | Loader |
| Art | Purple Kharisya | Property Master |
| Art | Muhammad Ridho | Set Dresser |
| Art | Javier Fadiga | Set Dresser |
| Art | Davine Gabriel | Set Decoration |
| Lighting | Dzaki Fadilah | Lighting Technician |
| Art | Petra Relagusta | Set Decoration |
| Art | Bagus Wijaya | Graphic Designer |
| Costume & Make-Up | Angeline Noviani | Wardrobe Master |
| Costume & Make-Up | Vania Hardjono | Makeup Artist |
| Directing | Raihan | Script Supervisor |
| Directing | Aulia Salsabila | Continuity |
| Camera | Eka Nuraini | Clapper Loader |
| Editing | Akmaludin Dwijaya | Editor |
| Editing | Smartogochi | Colorist |
| Sound | Andika Chairuman Ramadhan | Sound Designer |
| Sound | Adika Putra Perdana | Music Score Producer |
| Sound | Galih Setiawan | Sound Mixer |
| Camera | Astaniro Edeo | BTS Photographer |
