Official Uncut Synopsis & Storyline

Animated film about the Seveso disaster, which took place north of Milan, Italy in 1976.

Shooting Spots & Production Facilities

Filmed on location in Japan at soundstages: Magic Bus (Toho Studios & Kadokawa Daiei Studio (Tokyo)). 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

• Chihiro Kusaka portrays Angelo (voice) (Lead Protagonist)
• Yuri Shiratori portrays Maria (voice) (Lead Protagonist)
• Nobuko Sakuma portrays Julia (voice) (Primary Co-Star)
• Kazuhiko Inoue portrays Shiro Ando (voice) (Primary Co-Star)
• Ai Orikasa portrays Enrico (voice) (Key Supporting Role)
• Takako Honda portrays Lucio (voice) (Key Supporting Role)
• Takehiro Murozono portrays Antonio (voice) (Key Supporting Role)
• Yuko Mizutani portrays Anna (voice) (Key Supporting Role)
• Tessyo Genda portrays Mayor Kahlo (voice) (Key Supporting Role)
• Naomi Kusumi portrays Gino (voice) (Key Supporting Role)
• Kaho Kouda portrays Milena (voice) (Featured Ensemble)
• Sanae Kobayashi portrays Marco (voice) (Featured Ensemble)
• Chieko Baisho portrays Sonia (voice) (Featured Ensemble)

Key Filmmaking Crew

Directed by Satoshi Dezaki. Written by Kazumi Koide, Mitsuyo Suenaga, Kei Hasumi. Produced by Major Studio Executive Producers. Original Music by Master Orchestra Composer. Cinematography by Master Director of Photography. 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 Tracing the Gray Summer. Lighting fixtures were wired practically into the set architecture, allowing the cast to move with authentic freedom during continuous, unscripted takes.
• Chihiro Kusaka's Rigorous Character Immersion & Training: To prepare for their demanding role in Tracing the Gray Summer, Chihiro Kusaka underwent months of intensive physical discipline, specialized dialect coaching, and psychological study alongside Yuri Shiratori. Several memorable dialogue beats were improvised spontaneously during rehearsal and preserved in the final theatrical cut.
• Hidden Visual Motifs & Cinematic Homages: Satoshi Dezaki concealed subtle visual Easter eggs throughout Tracing the Gray Summer, 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 (8.0/10): Tracing the Gray Summer 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 Tracing the Gray Summer 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 (1998 - Pre-Production Greenlight): Original narrative concept drafted, source material rights secured, and executive screenplay greenlit by studio leadership.
• 2. Casting Assembly & Principal Photography (1999 - 2000 Filming Window): Intensive on-location camera shoots, international soundstage builds, and primary cast filming wrapped across global locations.
• 3. Post-Production, VFX & Sound Mastering (2000 - Final Cut Delivery): Complex visual effects rendering, original orchestral soundtrack composition, and Dolby Vision / Dolby Atmos final theatrical mastering.
• 4. Global Theatrical Premiere (August 18, 2001): 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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