Guillaume Canet (born 10 April 1973) is a French actor, screenwriter, film director and television producer. He has won numerous accolades, including two César Awards, one for Best Actor for his performance in Joyeux Noël (2005) and one for Best Director for his work on Tell No One (2006).

Canet was born in Boulogne-Billancourt, Hauts-de-Seine, a suburb of Paris. His father was a businessman and his mother a homemaker. He attended the Cours Florent drama school and began his career as an actor in 1995 with a role in the television movie L'amour à tout prix.

Canet's breakthrough role came in the 1998 film Les Enfants du Marais, where he played Pierre, a young man from a wealthy family who falls in love with a woman from a poorer background. The film earned him a César nomination for Most Promising Actor.

Throughout his career, Canet has worked with some of the most prominent French directors, including Patrice Leconte, Claude Chabrol, and Alain Resnais. He has also acted in several English-language films, such as Joyeux Noël, Love Me If You Dare, and Tell No One.

In 2006, Canet wrote and directed his first feature film, Mon Idole, starring himself and Marion Cotillard. The film was a box office hit in France, and won him a César Award for Best Director in 2007.

Canet's next directorial effort was the thriller Tell No One (2008). The film was a critical and commercial success, earning him a second César Award for Best Director. He reunited with Cotillard for his next film, Little White Lies (2010), which was another box office hit in France.

In 2011, Canet starred in the crime comedy-drama Polisse, which won the Jury Prize at the 2011 Cannes Film Festival. He also directed and starred in the psychological thriller Blood Ties (2013).

Canet has recently starred in the films Rock'n Roll (2017) and The Beach Bum (2019). He is currently filming the action-thriller The Last Duel (2020), directed by Ridley Scott.

Canet is also a television producer, having produced the series Dieudonné: La Vie et le Temps (2015) and

Known for