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John Mainieri

• Acting

Known for: Acting

John Mainieri

John Mainieri is an actor.

Known For

Boardwalk Empire

80%

Hotel Manager

2010

The Leftovers

77%

Croupier

2014

Blue Bloods

78%

Father Duff

2010

Instinct

68%

Det. Jimmy Marino

2018

Cayman Went

50%

Hans Kopechne

2009

Instinct

68%

Det. Jimmy Marino

2018

Wonder Wheel

64%

John

2017

Trainwreck

58%

Mob Bar Bartender (uncredited)

2015

The Leftovers

77%

Croupier

2014

The Normal Heart

77%

John

2014

Cars 2

62%

J. Curby Gremlin (voice)

2011

Blue Bloods

78%

Father Duff

2010

Boardwalk Empire

80%

Hotel Manager

2010

When in Rome

59%

Man in Elevator

2010

Cayman Went

50%

Hans Kopechne

2009

Meet Dave

53%

Middle-Aged Man

2008