Cast of Citizen X

Stephen Rea portrays Lt. Viktor Burakov, the determined investigator who leads the search for the elusive serial killer.

Donald Sutherland takes on the role of Col. Mikhail Fetisov, a high-ranking Soviet official involved in the investigation.

Max von Sydow plays Dr. Alexandr Bukhanovsky, the forensic expert whose insights are crucial to solving the case.

Jeffrey DeMunn portrays Andrei Chikatilo, the chilling serial killer at the center of the investigation.

Joss Ackland appears as Bondarchuk, a key figure in the law enforcement efforts to capture the killer.

John Wood is Gorbunov, a member of the investigative team working alongside Lt. Burakov.

Radu Amzulescu takes on the role of Federenko, a character involved in the complex web of the investigation.

Imelda Staunton plays Mrs. Burakov, bringing depth to the personal side of Lt. Burakov's journey in the film.

András Bálint appears as Ignatiev, adding to the cast of characters involved in the hunt for the killer.

Géza Balkay is the Procurator, a legal figure within the Soviet system who plays a role in the investigation.

László Váradi Balogh takes on the role of Peasant, a character symbolizing the broader societal impact of the crimes.

Zsolt Biro portrays the Older Gay Man, a character who becomes entangled in the events surrounding the investigation.