John Mainieri

Biography:

John Mainieri is an actor.

Blue Bloods

Boardwalk Empire

The Leftovers

Cars 2

Instinct

Wonder Wheel

Trainwreck

Meet Dave

When in Rome

Cayman Went

2018

Instinct as Det. Jimmy Marino

2017

2015

Trainwreck as Mob Bar Bartender (uncredited)

2014

2011

Cars 2 as J. Curby Gremlin (voice)

2010

When in Rome as Man in Elevator

Blue Bloods as Father Duff

Boardwalk Empire as Hotel Manager

2009

Cayman Went as Hans Kopechne

2008

Meet Dave as Middle-Aged Man