John Mainieri is an actor.
as John
2017
as Mob Bar Bartender (uncredited)
2015
2014
as J. Curby Gremlin (voice)
2011
as Man in Elevator
2010
as Hans Kopechne
2009
as Middle-Aged Man
2008
as Det. Jimmy Marino
2018
as Croupier
as Father Duff
as Hotel Manager
