Guillermo Montesinos
- Actor
Guillermo Montesinos was born on 10 January 1948 in Castellón de la Plana, Castellón, Comunidad Valenciana, Spain. He is an actor, known for Women on the Verge of a Nervous Breakdown (1988), Buenas noches, señor monstruo (1982) and Blood and Sand (1989).


