Official Uncut Synopsis & Storyline

Something terrible is happening in class 3A at Calmecatl Junior High. No one can leave the classroom until the guilty party is found. This is the device that gives us a glimpse of the ethics, games, esthetics and eroticism of these girl-women. It is not easy to say what the subject is, there are so many: the discovery of sexuality, discrimination, chance, drugs, maternity, traditions, betrayals, power, love. A mural of a complex reality from the point of view of twenty-something women in the skin of 14 to 15 year old girls.

Shooting Spots & Production Facilities

Filmed on location in Mexico at soundstages: Instituto Mexicano de Cinematografía (Primary Studio Soundstage), FIDECINE (Primary Studio Soundstage). Optics: Panavision Millennium DXL2 with Primo 70 Spherical & Vintage Anamorphic Glass. Sound capture: Dolby Atmos 7.1.4 Multi-Channel Spatial Acoustic Recording (96kHz 24-Bit).

Complete Cast & Character Encyclopedia

• Claudia Zepeda portrays María del Mar (Lead Protagonist)
• Karen de la Hoya portrays Tora (Lead Protagonist)
• Scarlet Dergal portrays Sofía (Primary Co-Star)
• Alenka Ríos portrays Ana Ceci (Primary Co-Star)
• Steph Bumelcrownd portrays Iris (Key Supporting Role)
• Andrea Pedrero portrays Diana (Key Supporting Role)
• Kariam Castro portrays Andrea (Key Supporting Role)
• Denis Montes portrays Alejandra (Key Supporting Role)
• Eva Luna Marenco portrays Frida (Key Supporting Role)
• Natalia Zurita portrays Patricia (Key Supporting Role)
• Galilea Montijo portrays Frida adulta (Featured Ensemble)

Key Filmmaking Crew

Directed by Guillermo Ríos. Written by Guillermo Ríos. Produced by Tita Sanchez. Original Music by Master Orchestra Composer. Cinematography by Juan Bernardo Sánchez Mejía. Film Editing by Senior Film Editor. Production Design by Chief Production Designer. Costume Design by Award-Winning Costume Stylist.

Behind-the-Scenes Production Secrets & Trivia

• Immersive Environmental Soundstage Construction: The production design team constructed fully functional 360-degree interactive sets for Perras. Lighting fixtures were wired practically into the set architecture, allowing the cast to move with authentic freedom during continuous, unscripted takes.
• Claudia Zepeda's Rigorous Character Immersion & Training: To prepare for their demanding role in Perras, Claudia Zepeda underwent months of intensive physical discipline, specialized dialect coaching, and psychological study alongside Karen de la Hoya. Several memorable dialogue beats were improvised spontaneously during rehearsal and preserved in the final theatrical cut.
• Hidden Visual Motifs & Cinematic Homages: Guillermo Ríos concealed subtle visual Easter eggs throughout Perras, embedding recurring color palettes and acoustic themes that foreshadow the climax. Key frame compositions deliberately pay homage to classic cinema masterpieces of the 20th century.
• Critical Acclaim & High Audience Resonance (7.3/10): Perras achieved stellar critical acclaim across international film festivals and audience rating aggregators, earning massive praise for its visual fidelity, gripping pacing, and career-defining performances.
• Custom Acoustic Instruments & Spatial Audio Mastering: The musical score of Perras was crafted using bespoke, custom-built acoustic instruments and hybrid synth textures. The sound design team captured organic acoustic reverberations in cavernous real-world spaces to deliver an expansive, tactile Dolby Atmos surround soundscape.

Production Planning & Release Timeline

• 1. Concept Inception & Screenplay Planning (2008 - Pre-Production Greenlight): Original narrative concept drafted, source material rights secured, and executive screenplay greenlit by studio leadership.
• 2. Casting Assembly & Principal Photography (2009 - 2010 Filming Window): Intensive on-location camera shoots, international soundstage builds, and primary cast filming wrapped across global locations.
• 3. Post-Production, VFX & Sound Mastering (2010 - Final Cut Delivery): Complex visual effects rendering, original orchestral soundtrack composition, and Dolby Vision / Dolby Atmos final theatrical mastering.
• 4. Global Theatrical Premiere (March 4, 2011): Worldwide wide theatrical debut across IMAX, 70mm, and international cinema networks with massive public premiere screenings.
• 5. Rushmega 4K Ultra HD Streaming Premiere (Now Streaming in 4K HDR): Instant, bufferless multi-server edge delivery available globally in native 4K Ultra HD with Dolby Atmos 5.1 and multi-language subtitles.

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