Michael Cassidy

Acting

Michael Cassidy

Born March 20, 1983 Portland, Oregon, USA43 credits

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

Gail Daughtry and the Celebrity Sex Pass

Gail Daughtry and the Celebrity Sex Pass

Movie

2026

Ballard
7.0

Ballard

TV

2025

Hypochondriac
4.2

Hypochondriac

Movie

2025

Found
6.2

Found

TV

2023

Fatal Attraction
6.1

Fatal Attraction

TV

2023

Waco: The Aftermath
6.9

Waco: The Aftermath

TV

2023

Filmography

Gail Daughtry and the Celebrity Sex Pass
2026Gail Daughtry and the Celebrity Sex Passas TomMovie
Ballard
2025Ballardas AaronTV
Hypochondriac
2025Hypochondriacas NP ChazMovie
Found
2023Foundas Christian EvansTV
Fatal Attraction
2023Fatal Attractionas Clay BishopTV
Waco: The Aftermath
2023Waco: The Aftermathas Bill JohnstonTV
Army of the Dead
2021Army of the Deadas Sgt. KellyMovie
Resident Alien
2021Resident Alienas Dr. Ethan StoneTV
Delivered
2020Deliveredas TomMovie
Breaking Fast
2020Breaking Fastas KalMovie
Mythic Quest
2020Mythic Questas Peter CromwellTV
Good Trouble
2019Good Troubleas Asher BowenTV
Jingle Around the Clock
2018Jingle Around the Clockas MaxMovie
The Rookie
2018The Rookieas Caleb WrightTV
Dog Days
2018Dog Daysas Dr. Mike StoneMovie
The Dare Project
2018The Dare Projectas JohnnyMovie
Station 19
2018Station 19as PeterTV
The Stray
2017The Strayas Mitch DavisMovie
The Guest Book
2017The Guest BookTV
People of Earth
2016People of Earthas Jonathan WalshTV
Batman v Superman: Dawn of Justice
2016Batman v Superman: Dawn of Justiceas Jimmy OlsenMovie
The Magicians
2015The Magiciansas JamesTV
Night of the Living Deb
2015Night of the Living Debas Ryan WaverlyMovie
Stalker
2014Stalkeras Brian MitchellTV
Masters of Sex
2013Masters of Sexas Dr. Malcolm TollTV
The Guilt Trip
2012The Guilt Tripas Fake Andy (uncredited)Movie
Argo
2012Argoas Jordan's AnalystMovie
Men at Work
2012Men at Workas TylerTV
Scandal
2012Scandalas Travis HardingTV
Happy Endings
2011Happy Endingsas Male LeadTV
I
2010Inside Room 334as SethTV
Boys On Film 3: American Boy
2009Boys On Film 3: American Boyas Johnny (segment "Dare")Movie
Castle
2009Castleas Greg McClintockTV
Privileged
2008Privilegedas Charlie HoganTV
Hidden Palms
2007Hidden Palmsas Cliff WiattTV
Zoom
2006Zoomas Dylan West / HoudiniMovie
Boys Life 5
2006Boys Life 5Movie
Dare
2005Dareas JohnnyMovie
The Girl from Monday
2005The Girl from Mondayas TedMovie
The O.C.
2003The O.C.as Zach StevensTV
Smallville
2001Smallvilleas Grant GabrielTV
Law & Order: Special Victims Unit
1999Law & Order: Special Victims Unitas Derek SimpsonTV
MacGyver
1985MacGyveras Robert JulianTV