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John Portnoy

Known for

Mirrors 2
Mirrors 2 (2010)
5.5
Producer
The Grudge
The Grudge (2019)
5.45
Post Production Supervisor
Prey
Prey (2019)
4.7
Post Production Supervisor
Shotgun Stories
Shotgun Stories (2007)
6.94
Executive Producer
Mothman
Mothman (2010)
3.96
Executive Producer

Movie crew

The Grudge
The Grudge (2019)
Post Production Supervisor
Prey
Prey (2019)
Post Production Supervisor
Mirrors 2
Mirrors 2 (2010)
Producer
Mothman
Mothman (2010)
Executive Producer
Shotgun Stories
Shotgun Stories (2007)
Executive Producer