Stiller, a Chappaqua resident, was in Montebello on Monday and Tuesday according to the Town of Ramapo Facebook page.
The series captures the real-life story -- and 20-day manhunt -- of convicted killers Richard Matt and David Sweat. The two were serving time at the Clinton Correctional Facility in Dannemora.
The two men were aided by prison worker Joyce Mitchell who, in the end, got cold feet, leaving them without a getaway car.
Benicio del Toro plays Matt; Paul Dano is Sweat, and Patrica Arquette is cast as Mitchell.
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