Alguien esta en la puerta
- Annu: 1970
- Paese: Mexico
- Genre: Thriller
- Studio: Salto de Fe Films, Mr. Blue
- Parolla chjave: adultery, love triangle, female friendship, sexual repression, sexual desire, high school reunion, classmates, affair
- Direttore: Adrián García Bogliano
- Cast: Alexis Cárdenas, Samantha Coronel, Mauro Sánchez Navarro, Giancarlo Ruiz
