Jimmi Simpson
Actor · Since 2000
Known for
Jimmi Simpson is an American actor known for sharp, often unsettling supporting performances across acclaimed film and television. He delivered a memorable turn as Zodiac survivor Mike Mageau in David Fincher's 'Zodiac' and played the mysterious Man in Black's younger self, William, in HBO's 'Westworld'. His extensive television career also includes 'House of Cards', 'Black Mirror' and a recurring comedic role in 'It's Always Sunny in Philadelphia'. He remains a widely respected character actor across both drama and comedy.
Jimmi Simpson
Actor · Since 2000
45 Movies · 39 Series
Known for
Jimmi Simpson is an American actor known for sharp, often unsettling supporting performances across acclaimed film and television. He delivered a memorable turn as Zodiac survivor Mike Mageau in David Fincher's 'Zodiac' and played the mysterious Man in Black's younger self, William, in HBO's 'Westworld'. His extensive television career also includes 'House of Cards', 'Black Mirror' and a recurring comedic role in 'It's Always Sunny in Philadelphia'. He remains a widely respected character actor across both drama and comedy.
Movies
Plays Mike Mageau
Zodiac
2007
Plays Armstrong
Date Night
2010
Plays Tyler
White House Down
2013
Plays Crash
Herbie Fully Loaded
2005
Plays Bob
The Invention of Lying
2009
Plays Andy
Unhinged
2020
Plays Joshua Speed
Abraham Lincoln: Vampire Hunter
2012
Plays Allen
Under the Silver Lake
2018
Plays Green Arrow (voice)
Justice League: Crisis on Infinite Earths Part One
2024
Plays Green Arrow (voice)
Justice League: Crisis on Infinite Earths Part Two
2024
Plays Scud
D.E.B.S.
2005
Plays Green Arrow (voice)
Green Lantern: Beware My Power
2022
Plays Green Arrow (voice)
Justice League: Crisis on Infinite Earths Part Three
2024
Plays Noah
Loser
2000
Plays Petey Buttons
Breaking News in Yuba County
2021
Plays Big Brother
Seraphim Falls
2007
Plays Johnny (voice)
Night of the Animated Dead
2021
Plays Jimmi
Wake
2012
Plays Phineus
Stay Alive
2006
Plays Venue Person
Studio 666
2022
Plays Chris Tarbell
Silk Road
2021
Plays Mary Lightly
Psych 2: Lassie Come Home
2020
Plays Arthur
The Truth About Emanuel
2013
Plays Mad Scientist
The Death and Return of Superman
2011
Plays (voice)
Pierre the Pigeon-Hawk
2027
Plays Paul Starling
The Starling Girl
2023
Plays Ronnie Kwok
Knights of Badassdom
2014
Plays Detective Karpas
A Little White Lie
2023
Plays Niels Geck
The Big Bang
2011
Plays Valentine
Girltrash!
2007
Plays Phil
Hello I Must Be Going
2012
Plays Chris
Itty Bitty Titty Committee
2007
Plays Charlie Carbonara
Taking Chances
2009
Plays Martin Wooderson
The Mother of Invention
2009
Plays Stef
Gravy
2015
Plays Dr. Dan D'Angio
Audrey's Children
2025
Plays Jackson
A Quiet Little Marriage
2008
Plays Jake
The Last Time You Had Fun
2015
Plays Kyle
Good Intentions
2010
Plays Chad
Final Draft
2003
TV Shows
Plays Gavin Orsay
House of Cards
2013
Plays Drednok (voice)
Star Trek: Prodigy
2021
Plays Lloyd Lowery
Breakout Kings
2011
Plays Ryan Holder
Dark Matter
2024
Plays Abaddon (voice)
Haunted Hotel
2025
Plays Tom Andrews
Pachinko
2022
Plays William
Westworld
2016
Plays Doctor Royce Hemlock / Stormtrooper #1 (voice)
Star Wars: The Bad Batch
2021
Plays Detective Russell Poole
Unsolved: The Murders of Tupac and The Notorious B.I.G.
2018
Plays James Schaeler
Perpetual Grace LTD
2019
Plays Liam McPoyle
It's Always Sunny in Philadelphia
2005
Plays Moom (voice)
Lightning Wolves
2022
Plays Dillard
The Walking Dead: Dead City
2023
Plays Spencer Clay
The Man Who Fell to Earth
2022
Plays Soldier
Hap and Leonard
2016
Plays Detective David Mills (voice)
Ultra City Smiths
2021
Plays Mary Lightly
Psych
2006
Plays Kevin Bollinger
Rose Red
2002
Plays Tom Donover
CSI: Crime Scene Investigation
2000
Plays Chris
24
2001
Plays Jack Spaniel
The Newsroom
2012
Plays CIA Agent
Wormwood
2017
Plays James Walton
Black Mirror
2011
Plays David Hayes
My Name Is Earl
2005
Plays Patient 21
Dream Corp LLC
2016
Plays Logan Pierce
Person of Interest
2011
Plays Quatro
Twisted Metal
2023
Plays Lee
Carnivàle
2003
Plays Pete Durkenson
How I Met Your Mother
2005
Plays Daniel Bresson
House
2004
Latest Trailers
Watch Trailer
Home Delivery
Full Filmography 84
Pierre the Pigeon-Hawk
(voice)
2027
The Walking Dead: Dead City
Dillard · 8 episodes
2026
It's Always Sunny in Philadelphia
Liam McPoyle
2026Season 18
Home Delivery
Kevin Messina
2026
Twisted Metal
Quatro
2025
Haunted Hotel
Abaddon
2025
Haunted Hotel
Abaddon (voice) · 18 episodes
2025–
Frankenbabes from Beyond the Grave!
Dr. Channard Chatterly
2025
Black Mirror
James Walton
2025Season 7
Photos
Frequently Asked Questions
How old is Jimmi Simpson and where are they from?
Jimmi Simpson is 50 years old, born on November 21, 1975 in Hackettstown, New Jersey, USA.
What are the most famous roles of Jimmi Simpson?
Jimmi Simpson is best known for roles in Zodiac, White House Down, Abraham Lincoln: Vampire Hunter.
How many movies has Jimmi Simpson been in?
Over a 26-year career (since 2000), Jimmi Simpson has appeared in 45 movies and 38 TV shows.
What was Jimmi Simpson's first movie?
The career of Jimmi Simpson began with Loser (2000).
What is Jimmi Simpson's most recent movie or series?
Jimmi Simpson's most recent release is Dark Matter: The Official Podcast, which premiered on August 27, 2026.
What TV shows has Jimmi Simpson appeared in?
On television, Jimmi Simpson has appeared in House, Black Mirror, Westworld, How I Met Your Mother.
Does Jimmi Simpson have any upcoming projects?
Yes, Jimmi Simpson's upcoming work includes: Pierre the Pigeon-Hawk (2027).
Jimmi Simpson
1975-11-21 · Hackettstown, New Jersey, USA
Jimmi Simpson (born November 21, 1975) is an American stage, film and television actor, best known for his recurring roles in television series, such as House of Cards, It's Always Sunny in Philadelphia, Psych, and Westworld.