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A mother, a daughter, and the man they both wanted dead. Who pulled the trigger?
TMDB
50

Triángulo (1972)

Mexican noir fever dreamDomestic claustrophobiaLurid melodrama

Overview

DramaThrillerMysteryCrime

The story of Mother and Daughter for a Husband and Stepfather who was killed by shotgun.

Flag of MXMXSpanish
Content warning
Sexual rivalryClass desperationMoral decayPatriarchal violence

Standout Aspects

Direction

Galindo's sweaty close-ups that feel like you're trapped in the room

Acting

Peluffo and Lazareno's vicious chemistry as dueling femmes fatale

Cinematography

1970s Mexico City decay as character, not backdrop

Best for:Solo: Late-night Mexican noir rabbit hole when you want to feel unhinged·Rewatch: Catch every poisoned glance you missed first time
Heads up:Sexual Content: Age-gap relationships treated as transactional and disturbing·Violence: Shotgun violence and misogynistic brutality throughout
Alejandro Galindo

Director

Alejandro Galindo

ReleasedJun 15, 1972
Runtime1h 22m
StatusReleased

Vibe

Pacesteady
Intensityhigh
Tonedark
Feelheavy
Alameda Films

Top Cast

Claudio Brook

Claudio Brook

Dr. Pedro Millán

Ana Luisa Peluffo

Ana Luisa Peluffo

Diana Avelar

Norma Lazareno

Norma Lazareno

Teodora

Jorge Lavat

Jorge Lavat

Miguel Escontría

Nora Lárraga 'Karla'

Nora Lárraga 'Karla'

Irene

Gabriel Retes

Gabriel Retes

Mario

Antonio Raxel

Antonio Raxel

Inspector Sergio Álvarado

Tito Novaro

Tito Novaro

Inspector Ojeda

Eduardo MacGregor

Eduardo MacGregor

Doctor Romulo Miranda

Lina Montes

Lina Montes

Directora del Internado

Jorge Fegán

Jorge Fegán

Psiquiatra Arana

Ask about Triángulo

Opens AI chat

Deep Dive

Trivia, insights & behind the scenes

Cultural

Part of Mexico's 'cine de ficheras' wave that used melodrama to smuggle class critique past censors.

Insight

Galindo recycled this exact plot structure multiple times—this is his most unhinged iteration, with the daughter's agency dialed to maximum betrayal.

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