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Michael Cassidy

Acting • 1983-03-20 • Portland, Oregon, USA

Michael Cassidy (born March 20, 1983) is an American film and television actor. He is best known for his role as Zach Stevens on The O.C. and as Tyler Mitchell on the TBS comedy Men at Work. He portrayed Jonathan Walsh on comedy People of Earth from the show's start in 2016 until its 2018 cancellation.

Known For

The Magicians

The Magicians

2015

Smallville

Smallville

2001

The O.C.

The O.C.

2003

Resident Alien

Resident Alien

2021

Good Trouble

Good Trouble

2019

Ballard

Ballard

2025

Fan Club

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From Nerdspin

Filmography

2026
Gail Daughtry and the Celebrity Sex PassFilm
Tom Soursap McNoodleman
★ 6.4
2025
BallardTV
Aaron • 8 episodes
★ 7.3
2023
FoundTV
Christian Evans • 5 episodes
★ 6.3
2023
Fatal AttractionTV
Clay Bishop • 2 episodes
★ 6.2
2023
Waco: The AftermathTV
Bill Johnston • 5 episodes
★ 6.9
2022
HypochondriacFilm
NP Chaz
★ 4.9
2021
Resident AlienTV
Dr. Ethan Stone • 6 episodes
★ 7.8
2021
Army of the DeadFilm
Sgt. Kelly
★ 6.2
2020
Mythic QuestTV
Peter Cromwell • 1 episodes
★ 7.2
2020
Breaking FastFilm
Kal
★ 6.5
2020
DeliveredFilm
Tom
★ 5.4
2019
Good TroubleTV
Asher Bowen • 7 episodes
★ 7.4
2018
The RookieTV
Caleb Wright • 2 episodes
★ 8.5
2018
Station 19TV
Peter • 1 episodes
★ 8.2
2018
Dog DaysFilm
Dr. Mike Stone
★ 6.6
2018
Jingle Around the ClockFilm
Max
★ 6.7
2018
The Dare ProjectFilm
Johnny
★ 6.3
2017
The Guest BookTV
★ 7.0
2017
The StrayFilm
Mitch Davis
★ 6.2
2016
Batman v Superman: Dawn of JusticeFilm
Jimmy Olsen
★ 6.0
2016
People of EarthTV
Jonathan Walsh • 20 episodes
★ 7.0
2015
The MagiciansTV
James • 4 episodes
★ 7.6
2015
Night of the Living DebFilm
Ryan Waverly
★ 5.3
2014
StalkerTV
Brian Mitchell • 1 episodes
★ 6.7
2013
Masters of SexTV
Dr. Malcolm Toll • 1 episodes
★ 7.1
2012
ScandalTV
Travis Harding • 1 episodes
★ 7.2
2012
ArgoFilm
Jordan's Analyst
★ 7.3
2012
The Guilt TripFilm
Fake Andy (uncredited)
★ 5.6
2012
Men at WorkTV
Tyler • 30 episodes
★ 6.7
2012
Are You There, Chelsea?TV
Jonathan • 1 episodes
★ 5.4
2011
Happy EndingsTV
Male Lead • 1 episodes
★ 6.9
2010
Inside Room 334TV
Seth • 1 episodes
2009
CastleTV
Greg McClintock • 1 episodes
★ 8.0
2009
Boys On Film 3: American BoyFilm
Johnny (segment "Dare")
★ 2.2
2008
PrivilegedTV
Charlie Hogan • 18 episodes
★ 7.1
2007
Hidden PalmsTV
Cliff Wiatt • 8 episodes
★ 5.6
2006
ZoomFilm
Dylan West / Houdini
★ 5.3
2006
Boys Life 5Film
★ 5.6
2005
DareFilm
Johnny
★ 6.4
2005
The Girl from MondayFilm
Ted
★ 4.2
2003
The O.C.TV
Zach Stevens • 19 episodes
★ 7.7
2001
SmallvilleTV
Grant Gabriel • 7 episodes
★ 8.2
1999
Law & Order: Special Victims UnitTV
Derek Simpson • 1 episodes
★ 8.0
1985
MacGyverTV
Robert Julian • 1 episodes
★ 7.7