[1] After attending the École Internationale Bilingue and a year of hypokhâgne (an academic programme), she obtained a master's degree in history.
[1] She joined the Cours Florent drama school from 2001 to 2004 and directed a short film: Facteur chance.
She appeared in the series: Engrenages, Femmes de loi (2008), Joséphine, ange gardien (2014), Clem (2015) and in the movies 15 ans et demi (2008), Un homme et son chien (2009), 30° Couleur (2012), Les Trois Frères : le retour (2014), Vicky (2015), Good Luck Algeria and L'Idéal (2016) by Frédéric Beigbeder.
In 2016, she played Cindy, a cook and rock singer, in season 2 of Chefs and then Kristina in Il a déjà tes yeux.
[1] Sara Mortensen is in a relationship with Bruce Tessore who plays Nicolas Berger in Plus belle la vie, whom she met during the shooting of the series.