
John Charles “J.C.” MacKenzie is a Canadian actor. He is known for his roles as Arnold Spivak in Steven Bochco's ABC television series Murder One (1995–1997), Reagan 'Normal' Ronald in James Cameron's Dark Angel television series (FOX from 2000—2002) and Ludlow in Martin Scorsese's The Aviator (2004).

The Wolf of Wall Street
2013 · as Lucas Solomon

The Departed
2006 · as Realtor

Killers of the Flower Moon
2023 · as Radio Announcer

The Hunt
2020 · as Paul

The Day the Earth Stood Still
2008 · as Grossman

The Irishman
2019 · as Prosecutor Jim Neal

The Aviator
2004 · as Ludlow

Molly's Game
2017 · as Harrison Wellstone

American Fiction
2023 · as Carl Brunt

The Trial of the Chicago 7
2020 · as Thomas Foran

Mad Money
2008 · as Richard Mandelbrot

He Got Game
1998 · as Doctor Cone

My One and Only
2009 · as Tom

Wedding Swingers
2018 · as Ian

Clockers
1995 · as Medic Frank

The Pentagon Wars
1998 · as Jones

Target Number One
2020 · as Arthur

Somewhere in Queens
2023 · as Mr. Mack