We don't have a biography for Scary Gary / Commissary Clerk yet. Hang in there, or go ahead and contribute one.
Escape at Dannemora Guest cast, played by Antoni Corone Episode 1x01: Part 1 (Nov 18, 2018) Episode 1x02: Part 2 (Nov 25, 2018) Episode 1x03: Part 3 (Dec 2, 2018)