Gaia Weiss is a French actress and model. She started her professional acting career on the screen in the 2010s. Her debut was in a short film. She then made her film debut in the Italian movie White as Milk, Red as Blood. Her next role was as Mary Fleming in Mary Queen of Scots. She then became further known for appearing as Þorunn, a recurring character on Vikings. Around the same time, she appeared as Hebe in the movie The Legend of Hercules. Her next movie role was in Serial Teachers 2. This year, she starred in the Hollywood film Overdrive and in the French film C’est beau la vie quand on y pense.