Acting
Biography
John Mainieri is an actor.
Known For
Select Role:
Instinct (2018)as Det. Jimmy Marino
Wonder Wheel (2017)as John
Trainwreck (2015)as Mob Bar Bartender (uncredited)
The Normal Heart (2014)as John
The Leftovers (2014)as Croupier
Cars 2 (2011)as J. Curby Gremlin (voice)
When in Rome (2010)as Man in Elevator
Blue Bloods (2010)as Father Duff
Boardwalk Empire (2010)as Hotel Manager
Cayman Went (2009)as Hans Kopechne
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