Guillermo Montesinos was born on January 10, 1948 in Castellón de la Plana, Castellón, Comunidad Valenciana, Spain as Guillermo José Montesinos Serrano. He is an actor, known for Femmes au bord de la crise de nerfs (1988), L'indomptée (1989) and La corte de Faraón (1985).