John Mainieri is an actor.
Meet Dave
(Middle-Aged Man)
When in Rome
(Man in Elevator)
The Normal Heart
(John)
Cars 2
(J. Curby Gremlin (voice))
Cayman Went
(Hans Kopechne)
Wonder Wheel
Blue Bloods
(Father Duff)
The Leftovers
(Croupier)
Instinct
(Det. Jimmy Marino)
Boardwalk Empire
(Hotel Manager)
