Peter MacKenzie
Peter MacKenzie (born January 19, 1961) is an American actor. In 1979, Peter took acting lessons in New York. He worked at a talent agency before deciding to work as an actor full time in 1984. His first major role was on Herman's Head. He is a character actor. He also played "Mr. Firestein" in the season 3 episode of The Drew Carey Show titled "The Sex Drug", as Mimi Bobeck's counsel in her sex harassment case against Nigel Wick, and co-starred in the 1987 film Firehouse. One of his minor roles was Mr. Sneed in Disney's Tom and Huck. He plays anti-war activist David Dellinger in the 2012 film The Chicago 8.
Known for
Grey's Anatomy
Warren Kramer
Bones
Congressman Efran Hadley
NCIS
Jack Murdoch
The Mentalist
Holman Perry
CSI: Crime Scene Investigation
Dr. Eisling
Criminal Minds
Criminal Minds
Jack Fisher
American Dad!
Dr. Grossbard / Senator #1 (voice)
American Dad!
Judge (voice)
American Dad!
(voice)
American Dad!
Michael (voice)
American Dad!
Chief Shopaholic / Midnight Runner #1 / Salesman (voice)
American Dad!
Surgeon (voice)
American Dad!
Fat Kid's Dad (voice)
American Dad!
Wedding Officiant (voice)
American Dad!
Mr. Minor (voice)
Boston Legal
Reid Harrington
Crossing Jordan
Frank Ripton
CSI: Miami
Russell Tanninger
Castle
Sergeant Roman
How I Met Your Mother
Mr. Horvath
The West Wing
George Rohr - American Christian Assembly
ER
Mr. Pasbalas
Mad Men
Cliff Perry
Gilmore Girls
Dr. Schultz
2 Broke Girls
Devon
It's Always Sunny in Philadelphia
Doctor
Curb Your Enthusiasm
Man in shorts
Supergirl
Dirk Armstrong
Cold Case
Harvey James
Malcolm in the Middle
Terry
Scandal
Brad Loeb
Will & Grace
Mean Guy
The Drew Carey Show
Mr. Firestein
The Drew Carey Show
Arbitrator
The Practice
D.A. Brenner
Raising Hope
Mr. Gunderson
Strong Medicine
Asher
black-ish
Leslie Stevens
My Name Is Earl
Daniel
Judging Amy
Howlett
Grace and Frankie
Peter Warren
Big Love
Bishop
The Equalizer
Man
Caroline in the City
Lionel
Masters of Sex
Leslie Farber
Franklin & Bash
Marcel Ziff
DAHMER - Monster: The Jeffrey Dahmer Story
Mr. Bertoglio
Profiler
Mr. Wells
Hart of Dixie
Reverend Peter Mayfair
The Bernie Mac Show
The Secret Life of the American Teenager
Financial Aid Advisor
The Parkers
Ally McBeal
Kendall Stevens
Close to Home
Daryl Denham
Law & Order: LA
Attorney Simms
Them
Mr. Stoat
Your Honor
Calvin Bloom
Still Standing
Mr. Kruger
Harry's Law
Neville Johnson
Dharma & Greg
Matthew
Nine Perfect Strangers
Marty (voice)
Eli Stone
Dr. Stephen Goodman
Don't Trust the B---- in Apartment 23
Donald Colburn
Herman's Head
Justice
Crossbow
George Lopez
Dr. Loftusi
Twins
Don
Rules Don't Apply
Gene Handsaker
Off Centre
Friends with Better Lives
Jim
Aquarius
Sean Boyle
Project X
Dad
JONAS L.A.
Mr. Phelps
The Faculty
Clark Edwards
42
Happy Chandler
Growing Up Fisher
Better With You
Neil
Trumbo
Robert Kenny
American Tragedy
Bill Blasier
Big Day
Good Morning, Vietnam
Sergeant #2 at Jimmy Wah's
It's Complicated
Dr. Allen
Room 6
Dr. Kent
Firehouse
Dickson Willoughby
Spaceman
Tim Manning
One Hour Photo
Hotel Desk Manager
Lorenzo's Oil
Immunosuppression Doctor
Nick of Time
JBN Reporter
Fool's Paradise
Psych Doc 1
Major League: Back to the Minors
Doc Windgate
Speechless
Andy
Tom and Huck
Mr. Sneed
Chill Factor
Technician
The In Crowd
Bob Mead
Earth to Echo
James Hastings
Torch Song Trilogy
1st Young Man
Atlas Shrugged: Part III
Head of State Thompson
Good Time Max
Anesthesiologist
Theodore Rex
Alex Summers
Inherit the Wind
Jesse Dunlap
A Simple Wedding
Bill Talbot
Love Meet Hope
Todd
The Chicago 8
David Dellinger
Black Girl Missing
Principal Shepherd
Merkin Penal
Emmett O'Donald
A One Time Thing
Larry
So Close
Dr. Salinger
One on One
Blaine Lockraven