Nadège Beausson-Diagne is a French actress, singer, and columnist born on June 18, 1972, in Paris. She initially gained recognition for her portrayal of Police Chief Sara Douala in the popular television series Plus belle la vie. Beausson-Diagne's film credits include Podium, directed by Yann Moix, and Nothing to Declare, directed by Dany Boon, who had previously worked with her on Bienvenue chez les Ch'tis.
Beausson-Diagne made her film debut in 2004, playing one of Benoit Poelvoorde's four "Bernadettes" in Podium. She continued her acting career, appearing in various feature films such as Agathe Cléry, directed by Valérie Lemercier, with whom she would later collaborate on Marie-Francine, and Nothing to Declare, directed by Dany Boon.
From 2010 to 2014, Beausson-Diagne played the role of Commissioner Sara Douala in the soap opera Plus belle la vie. When her departure from the show was announced, a petition was circulated by her fans demanding that she be kept on. In 2014, she joined the cast of Pep's series, playing the role of Catherine Paillard, the director of Victor Hugo College. The same year, she became a columnist in the program Touche pas à mon poste! before leaving the program in 2016.
Beausson-Diagne then co-presented Faut pas pousser on the channel Numéro 23 with Bruno de Stabenrath. In 2017, she appeared in the music video for the single "On est là" by rapper Féfé, playing the role of a concert manager. She continued her acting career, appearing in the comedy film Ôtez-moi d'un doute, which won an award at the Cannes Film Festival, and Brillantissime, Michèle Laroque's first film.
Nadège Beausson-Diagne's career has been marked by her versatility and range, from television to film to music and beyond.