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Carnahan to Direct “The Gatekeeper” Adaptation, Helgeland Scripts

7/7/2026

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Summary

Story summary

Matthew Michael Carnahan will direct The Gatekeeper for MGM Studios and Di Bonaventura Pictures.
The film adapts James Byrne’s bestselling novel Deadlock, which features the character Desmond “Dez” Limerick.
Brian Helgeland, an Oscar-winning screenwriter for L.A. Confidential, wrote the script for The Gatekeeper.
Helgeland is represented by WME and Jackoway Austen Tyerman, while Carnahan is represented by CAA and attorney Stuart Rosenthal.

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Story summary

Matthew Michael Carnahan will direct The Gatekeeper for MGM Studios and Di Bonaventura Pictures.
The film adapts James Byrne’s bestselling novel Deadlock, which features the character Desmond “Dez” Limerick.
Brian Helgeland, an Oscar-winning screenwriter for L.A. Confidential, wrote the script for The Gatekeeper.
Helgeland is represented by WME and Jackoway Austen Tyerman, while Carnahan is represented by CAA and attorney Stuart Rosenthal.