Triángulo The story of Mother and Daughter for a Husband and Stepfather who was killed by shotgun. Details Casts Posters Title Triángulo Release Date 1972-06-15 Runtime 01 Hours 22 Minutes Genres Thriller Crime Mystery Drama Production Companies Alameda Films Production Countries Mexico Claudio Brook... Dr. Pedro Millán... Ana Luisa Peluffo... Diana Avelar... Norma Lazareno... Teodora... Jorge Lavat... Miguel Escontría... Nora Lárraga 'Karla'... Irene... Gabriel Retes... Mario... Antonio Raxel... Inspector Sergio Álvarad... Tito Novaro... Inspector Ojeda... Eduardo MacGregor... Doctor Romulo Miranda... Lina Montes... Directora del Internado... Gloria Morel... María de la Encarnación... Jorge Fegán... Psiquiatra Arana... Jorge Casanova... Abogado de Diana... Lourdes Galindo... ... Bruno Márquez... ... Jorge Zamora... Mesero... Berenice Avila... ... Original Size (500x750)