John Mainieri is an actor.

| Title | ||||||
|---|---|---|---|---|---|---|
Meet Dave | Middle-Aged Man | 5.352 | 2008-07-08 | 3.6868 | ||
When in Rome | Man in Elevator | 5.915 | 2010-01-29 | 2.834 | ||
The Normal Heart | John | 7.74 | 2014-05-25 | 2.1473 | ||
Cars 2 | J. Curby Gremlin (voice) | 6.198 | 2011-06-11 | 14.5312 | ||
Cayman Went | Hans Kopechne | 5 | 2009-06-05 | 0.4581 | ||
Wonder Wheel | John | 6.366 | 2017-12-01 | 2.1875 | ||
Trainwreck | Mob Bar Bartender (uncredited) | 5.773 | 2015-07-17 | 5.2604 | ||
Blue Bloods | Father Duff | 7.797 | 2010-09-24 | 112.0519 | ||
The Leftovers | Croupier | 7.7 | 2014-06-29 | 26.0366 | ||
Instinct | Det. Jimmy Marino | 6.8 | 2018-03-18 | 9.3983 |