Marie-Pierre Castel (born Marie-Pierre Yvonne Tricot) was a French actress. She is well-remembered for collaborating with director Jean Rollin on several occasions, particularly on films "La vampire nue", "Le frisson des vampires", "Requiem pour un vampire" and "Lèvres de sang". She has also appeared in films with directors, such as, Jean-Marie Pallardy, Bernard Launois and Francis Girod. Her twin sister was Catherine Castel (1949–2018), with whom she appeared alongside is several films. She retired from acting in 1977 and died in 2013, at the age of 64.