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).

Filmography

• 2023American Fiction — Carl Brunt
• 2023Killers of the Flower Moon — Radio Announcer
• 2023Somewhere in Queens — Mr. Mack
• Gaslit — Howard Hunt
• FBI: Most Wanted — Judge Edward Philpot
• October Faction — Fred Allen
• 2020Target Number One — Arthur
• 2020The Hunt — Paul
• 2020The Trial of the Chicago 7 — Thomas Foran
• 2019Share — Mickey
• 2019The Irishman — Prosecutor Jim Neal
• 2018Wedding Swingers — Ian
• 2017Molly's Game — Harrison Wellstone
• Billions — Headmaster Julien Kessel
• Bull — Judge McPherson
• The OA — Dr. Mark Shea
• Vinyl — Skip Fontaine
• 2014Commencement — Senator Paul Wesker
• Madam Secretary — Governor Sam Evans
• Hemlock Grove — Dr. Arnold Spivak
• House of Cards — Phil Langdon
• The Blacklist — Gerome Kavanaugh
• 2013The Wolf of Wall Street — Lucas Solomon
• 2013Walking Stories — Writer
• Elementary — Daren Sutter
• 2012For the Love of Money — Mr. Phillips
• Gigantic — Gary Ritter
• 2009My One and Only — Tom
• The Good Wife — Interviewer
• In Plain Sight — Mr. Day
• 2008Mad Money — Richard Mandelbrot
• 2008The Day the Earth Stood Still — Grossman
• The Mentalist — Griffin Welks
• Burn Notice — Hector Oaks
• Big Love — Superintendent Buckland
• Dexter — Andy Brightman
• 2006Gospel of Deceit — Ted Wendell
• 2006The Departed — Realtor
• 2006The Return — Griff
• Ghost Whisperer — Jeffrey Silber
• Medium — Dan Taper
• Desperate Housewives — Walter Bierlich
• 2004The Assassination of Richard Nixon — Co-Pilot
• 2004The Aviator — Ludlow
• NCIS — Mitchell Reese
• CSI: Miami — Timothy Hewitt, Mr. Infante
• Monk — Sidney Teal
• 2002The Pact — Jordan
• The Shield — Detective Kouf
• Without a Trace — Rick Stevens
• 24 — Doctor Bradley
• 2001Final — Todd
• Law & Order: Criminal Intent — Lenny
• The Agency — Peter Walton
• CSI: Crime Scene Investigation — Dr. Gus Hoffman
• Dark Angel — Reagan Ronald
• 2000What Planet Are You From? — John
• 1999Happy Face Murders — Ed Baker
• Law & Order: Special Victims Unit — Brian Ackerman, Richard Pace
• Total Recall 2070
• 1998He Got Game — Doctor Cone
• L.A. Doctors — Ray
• 1998The Pentagon Wars — Jones
• Earth: Final Conflict — Dr. Michael Reed
• 1997Murder One: Diary of a Serial Killer — Arnold Spivak
• The Practice — Fred Spivak
• FX: The Series — Wayne Harmon
• Poltergeist: The Legacy — Stan Davace
• 1995Clockers — Medic Frank
• 1995Heavy — Gas Man
• Murder One — Arnold Spivak
• New York Undercover — Holmquist
• 1994Normandy: The Great Crusade — Geoffrey Donald Corry (voice)
• Touched by an Angel — Dr. Ray Craig
• 1991Deadly Medicine — Dr. Jim Vale
• Sibs — Chris
• Law & Order — M.E. Hoeck
• Baywatch — Marty
• 1985Perry Mason Returns — Gas Station Attendant
• The New Alfred Hitchcock Presents — Rick Hayden

Appearances as themselves (1)

• 2012That Guy... Who Was in That Thing — Self