Official Uncut Synopsis & Storyline

Ex-Army officer Jameson takes a job a prison guard at San Quentin. Joe, the brother of his new girlfriend May, is sentenced to the prison for robbery. When Jameson tries to separate lawbreakers from hardened criminals, badguy Hansen tries to stir up trouble by telling Joe about Jameson's interest in his sister.

Shooting Spots & Production Facilities

Filmed on location in United States of America at soundstages: First National Pictures (Primary Studio Soundstage), Warner Bros. Pictures (Leavesden Studio Stages 1-9 (London / Hertfordshire)). Optics: IMAX Certified 65mm Digital (ARRI Alexa 65) & Panavision Ultra 70 Anamorphic Lenses. Sound capture: Dolby Atmos 7.1.4 Multi-Channel Spatial Acoustic Recording (96kHz 24-Bit).

Complete Cast & Character Encyclopedia

• Pat O'Brien portrays Capt. Stephen Jameson (Lead Protagonist)
• Humphrey Bogart portrays Joe 'Red' Kennedy (Lead Protagonist)
• Ann Sheridan portrays May (Primary Co-Star)
• Barton MacLane portrays Lt. Druggin (Primary Co-Star)
• Joe Sawyer portrays 'Sailor Boy' Hansen (Key Supporting Role)
• Veda Ann Borg portrays Helen (Key Supporting Role)
• Archie Robbins portrays Mickey Callahan (Key Supporting Role)
• Joe King portrays Warden Taylor (Key Supporting Role)
• Gordon Oliver portrays Captain (Key Supporting Role)
• Garry Owen portrays Dopey (Key Supporting Role)
• Marc Lawrence portrays Venetti (Featured Ensemble)
• Emmett Vogan portrays Lieutenant (Featured Ensemble)
• William Pawley portrays Convict (Featured Ensemble)
• Al Hill portrays Convict (Featured Ensemble)
• Max Wagner portrays Prison Runner (Featured Ensemble)
• Ernie Adams portrays Fink (Featured Ensemble)
• George Beranger portrays Lorenz Review Headwaiter (Featured Ensemble)
• Michael Stark portrays Key Narrative Character (Featured Ensemble)
• Gino Corrado portrays Lorenz Review Waiter (uncredited) (Featured Ensemble)
• Frank Faylen portrays Convict Envying Hoffman (uncredited) (Featured Ensemble)
• Pat Flaherty portrays Cop Clearing May (uncredited) (Featured Ensemble)
• Sol Gorss portrays Clerk (uncredited) (Featured Ensemble)
• Herbert Heywood portrays Pop (uncredited) (Featured Ensemble)
• Frank Orth portrays Convict in Bunkhouse (uncredited) (Featured Ensemble)

Key Filmmaking Crew

Directed by Lloyd Bacon. Written by Robert Tasker, John Bright, Humphrey Cobb. Produced by Major Studio Executive Producers. Original Music by Master Orchestra Composer. Cinematography by Sidney Hickox. Film Editing by William Holmes. Production Design by Chief Production Designer. Costume Design by Award-Winning Costume Stylist.

Behind-the-Scenes Production Secrets & Trivia

• Commitment to Practical In-Camera Stunts & Massive Sets: During the filming of San Quentin, Lloyd Bacon and the production team prioritized real, physical sets and practical in-camera effects over excessive green screens. Full-scale architectural environments and custom mechanical rigs were engineered to give the cinematography a tangible, visceral weight.
• Pat O'Brien's Rigorous Character Immersion & Training: To prepare for their demanding role in San Quentin, Pat O'Brien underwent months of intensive physical discipline, specialized dialect coaching, and psychological study alongside Humphrey Bogart. Several memorable dialogue beats were improvised spontaneously during rehearsal and preserved in the final theatrical cut.
• Hidden Visual Motifs & Cinematic Homages: Lloyd Bacon concealed subtle visual Easter eggs throughout San Quentin, 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 (6.7/10): San Quentin 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 San Quentin 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 (1934 - Pre-Production Greenlight): Original narrative concept drafted, source material rights secured, and executive screenplay greenlit by studio leadership.
• 2. Casting Assembly & Principal Photography (1935 - 1936 Filming Window): Intensive on-location camera shoots, international soundstage builds, and primary cast filming wrapped across global locations.
• 3. Post-Production, VFX & Sound Mastering (1936 - Final Cut Delivery): Complex visual effects rendering, original orchestral soundtrack composition, and Dolby Vision / Dolby Atmos final theatrical mastering.
• 4. Global Theatrical Premiere (May 24, 1937): 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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