After studying literature, Delphine Agut studied Philosophy and Cinema at the Sorbonne. She began writing short films while working as a programmer for international film festivals. She co-wrote Sophie Letourneur's La Vie au ranch, which was presented at the Festival de Cannes in 2011, then After the War by Annarita Zambrano, the screenplay for which was awarded the Jury Prize at the Screenplay Awards in 2016. The film was selected for Cannes the following year. Agut also works as a screenwriter for television, notably on seasons 4 and 5 of SKAM France (2020), while continuing to develop feature film projects, among them Laila Marrakchi’s La más dulce and Danielle Arbid’s Des châteaux qui brûlent.