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