Liah O'Prey was born in Barcelona, Spain to an Irish father and a French mother. She speaks English, French, Catalan and Spanish natively. Her first acting experiences were for various TV commercials in Italy, Spain and France. She naturally made the crossover into film with a few small roles which led to her feature debut in Juan Carlos Medina's Insensibles. Following this, she was cast in Jake Paltrow's Young Ones as Anna. She now resides in France where she is continuing to film for TV and cinema.