Cyril Gueï is a French actor and director. Cyril Gueï was born into a family of Ivorian origin. In 1997, Cyril Gueï entered the Conservatoire national supérieur d'art dramatique in Paris, where he studied under Philippe Adrien and Dominique Valadié. After graduating from the conservatory in 2000, he worked in the theater in productions directed by Peter Brook ("Le Costume") and his daughter Irina ("Romeo and Juliet" and "A Midsummer Night's Dream"), as well as Alain Sachs ("Numéro complémentaire"), Eva Doumbia ("J'aime cette pays"), Hubert Koundé ("Kagula") and Habib Nagmouchine ("Timon of Athens"). In film, he began with small roles under the direction of Yvan Attal, Philippe Garrel, Claude Chabrol and James Huth. He gained recognition in the film by Patrick Mario Bernard and Pierre Trividic "L'Autre", where he played a man caught in an obsessive relationship with Dominique Blanc, and in Jean-Christophe Klotz's film "Lignes de front", where he played a Rwandan student confronting a journalist played by Jalil Lespert.

These two roles earned him César Award nominations for Most Promising Actor in 2010 and 2011. He also appeared alongside Marilou Berry in Agnès Obadia's film "Joséphine" and its sequel "Joséphine s'arrondit", directed by Marilou Berry, in Fabrice Bégotti's film "Franziska", alongside Thierry Neuvic, Lannick Gautry, Medi Sadoun, as well as in short films. On television, he appeared in several TV films and series, such as "Un flic", "Hero Corp" and "Templeton". From 2016 to 2020, he played the role of Timothée Glissant, a forensic pathologist, in the series "Les Petits Meurtres d'Agatha Christie" on France 2. Thus, he replaced Natacha Lindinger, who played Euphrasie Maillol, the former forensic pathologist and muse of Commissioner Laurence. In 2020, he played the lead role in Tennessee Williams's play "The Glass Menagerie" directed by Ivo van Hove. In its review of the play, Le Monde noted that Cyril Gueï was "the one who turned out to be the best: he is restrained, fair, humane".