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John Portnoy
17
Films
Filmography (17)
The War with Grandpa
57
Post Production Supervisor
The Grudge
44
Post Production Supervisor
Upgrade
75
Post Production Supervisor
Midnight Sun
66
Post Production Supervisor
Song to Song
56
Post Production Supervisor
Papillon
72
Post Production Supervisor
Mayhem
64
Post Production Supervisor
Newness
63
Post Production Supervisor
Ride Along 2
59
Post Production Supervisor
Assassination Games
61
Colorist
Mirrors 2
49
Producer
The Babysitters
56
Executive Producer
Shotgun Stories
71
Executive Producer
The Sandlot 2
45
Post Production Supervisor
The Matador
67
Post Producer
The Chumscrubber
68
Post Production Supervisor
Riding the Bullet
52
Post Production Supervisor