Based on the true story of a Russian serial killer who, over many years, claimed victim to over 50 people. His victims were mostly under the age of 17. In what was then a communists state, the police investigations were hampered by bureaucracy, incompetence and those in power. The story is told from the viewpoint of the detective in charge of the case.
You can now watch Citizen X online on the following streaming providers in the United States.
| Directing | Chris Gerolmo | Director |
| Production | Laura Bickford | Executive Producer |
| Production | Matthew Chapman | Executive Producer |
| Production | David R. Ginsburg | Executive Producer |
| Production | Timothy Marx | Producer |
| Sound | Randy Edelman | Original Music Composer |
| Camera | Robert Fraisse | Director of Photography |
| Editing | William Goldenberg | Editor |
| Production | Joyce Nettles | Casting |
| Production | Webster Stone | Co-Producer |
| Production | Robert Stone | Co-Producer |
| Art | József Romvári | Production Design |
| Writing | Chris Gerolmo | Teleplay |
| Writing | Robert Cullen | Book |
| Production | Adrianna A.J. Cohen | Production Supervisor |
| Production | József Cirkó | Production Manager |
| Directing | Michelangelo Csaba Bolla | First Assistant Director |
| Directing | Éva Bognár | Second Assistant Director |
| Editing | Richard Byard | Assistant Editor |
| Directing | Brenda K. Wachel | Script Supervisor |
| Art | Lóránt Jávor | Art Direction |
| Production | László Lakatos | Unit Manager |
| Art | István Tóth | Set Decoration |
| Crew | Bruce Golin | Post Production Supervisor |
| Costume & Make-Up | Maria Hruby | Costume Design |
| Costume & Make-Up | Zsuzsa Balai | Costume Supervisor |
| Camera | Tamás Nyerges | Steadicam Operator |
| Camera | József Takács | First Assistant Camera |
| Lighting | Péter Sidló | Gaffer |
| Camera | Lajos Simon | Best Boy Grip |
| Camera | Attila Szücs | Key Grip |
| Camera | István Bese | Dolly Grip |
| Camera | Csaba Bankhardt | Grip |
| Lighting | Sándor Novák | Best Boy Electric |
| Production | Hans Berggren | Production Accountant |
| Production | Éva Bognár | Local Casting |
| Production | László Sipos | Local Casting |
| Production | Erzsebet Gaspar | Extras Casting Coordinator |
| Sound | Allan Byer | Sound Mixer |
| Sound | Pál Szûrös | Boom Operator |
| Costume & Make-Up | Karoly Balazs | Key Makeup Artist |
| Costume & Make-Up | Erzsébet Rácz | Key Hair Stylist |
| Art | Éva Martin | Construction Coordinator |
| Art | Bulcsú Balla | Property Master |
| Crew | Greg Nicotero | Makeup Effects |
| Crew | Gino Crognale | Makeup Effects |
| Crew | Ferenc Ormos | Special Effects |
| Production | Peter Seres | Location Manager |
| Crew | Istvan Pintye | Transportation Coordinator |
| Sound | John LaSalandra | Music Editor |
| Editing | Gary Burritt | Negative Cutter |
| Sound | Tim Gedemer | Supervising Sound Editor |
| Sound | William Freesh | ADR Recordist |
| Sound | William Freesh | Sound Re-Recording Mixer |
| Sound | Ann Scibelli | Sound Effects Editor |
| Sound | David Farmer | Sound Effects Editor |
| Sound | Mike Moser | Sound Effects Editor |
| Sound | Jason King | Dialogue Editor |
| Sound | Eric Thompson | Foley Mixer |
| Sound | Gregg Barbanell | Foley Artist |
| Sound | Vince Nicastro | Foley Artist |
| Sound | Ken Teaney | Sound Re-Recording Mixer |
