Stephanie Magnin is an actress from Málaga, born to a French father and a Sicilian mother.

After living for a year in the United States and another in Italy—where she worked as a TV presenter—she moved to Madrid to complete her law degree. After graduating, she enrolled at the Juan Carlos Corazza acting school to begin her training as an actress. She currently continues to train with Fernando Piernas.

In 2017, she wrote and starred in the short film Abuelo. She made her feature film debut in the dark comedy Advantages of Travelling by Train (2019). She also portrayed Dora Maar in the fourth season of the TVE series The Ministry of Time.

Since then, she has appeared in television roles such as Corporal Martín in Fuerza de Paz, Paola Malinverni in Mía es la venganza, and Doña Carla de Morcuende in La Moderna. She has also taken part in films such as Piggy (2022) and Like God Commands (2023).

Internationally, she appeared in the fifth season of The Crown.

In 2023, she played May in Segundo Premio by Isaki Lacuesta, earning the Best Actress award (Biznaga) at the Málaga Film Festival.

In recent years, she has continued working on films such as Uno equis dos by Alberto Utrera, Todo lo que no sé by Ana Lambarri, La Fiera by Salvador Calvo, La Maleta by Carlos Theron, and her first leading role in Los Creyentes by Roger Gual for Netflix.