Background
Seigner was born in Paris, France. She is the granddaughter of the respected French actor Louis Seigner (1903-1991). The younger daughter of Louis Seigner, she studied comedy at Florent (very famous French school of theater), before making her first appearance in theaters in 1994, alongside her sister Emmanuelle in Smile Claude Miller.
Career
Her acting performances have been confined to French language films, but she has appeared in a number of notable productions. Mathilde Seigner is appreciated for her spontaneity and strong character, she quickly gained favor with the public, thanks to the nostalgic Une hirondelle a fait le printemps (2001) as a city dweller who discovers the joys of the countryside. She appeared in Le passager de l’été, Zone libre, and Dance avec lui.
With 3 amis, she returned to comedy, in such films as Tout pour plaire and Détrompez-vous.
She returned in 2009 with three dramatic comedies about family (Quelque chose à te dire, Trésor and Une semaine sur deux (et la moitié des vacances scolaires)). After Fini les vacances (2010), she appeared in Camping 2 and the remake of Louisiana guerre des boutons (2011).
In 2012, she appeared in Dans la tourmente and Max. In September 2013, she appeared onstage.