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