Acting · Portland, Oregon, USA · Born March 20, 1983
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.
MovieGail Daughtry and the Celebrity Sex Pass
2026
as Tom Soursap McNoodleman
TVBallard
2025
as Aaron
TVFound
2023
as Christian Evans
TVFatal Attraction
2023
as Clay Bishop
TVWaco: The Aftermath
2023
as Bill Johnston
MovieHypochondriac
2022
as NP Chaz
MovieArmy of the Dead
2021
as Sgt. Kelly
TVResident Alien
2021
as Dr. Ethan Stone
MovieDelivered
2020
as Tom
MovieBreaking Fast
2020
as Kal
TVMythic Quest
2020
as Peter Cromwell
TVGood Trouble
2019
as Asher Bowen
MovieJingle Around the Clock
2018
as Max
TVThe Rookie
2018
as Caleb Wright
MovieDog Days
2018
as Dr. Mike Stone
MovieThe Dare Project
2018
as Johnny
TVStation 19
2018
as Peter
MovieThe Stray
2017
as Mitch Davis
TVThe Guest Book
2017
TVPeople of Earth
2016
as Jonathan Walsh
MovieBatman v Superman: Dawn of Justice
2016
as Jimmy Olsen
TVThe Magicians
2015
as James
MovieNight of the Living Deb
2015
as Ryan Waverly
TVStalker
2014
as Brian Mitchell
TVMasters of Sex
2013
as Dr. Malcolm Toll
MovieThe Guilt Trip
2012
as Fake Andy (uncredited)
MovieArgo
2012
as Jordan's Analyst
TVMen at Work
2012
as Tyler
TVScandal
2012
as Travis Harding
TVHappy Endings
2011
as Male Lead
Inside Room 334
2010
as Seth
MovieBoys On Film 3: American Boy
2009
as Johnny (segment "Dare")
TVCastle
2009
as Greg McClintock
TVPrivileged
2008
as Charlie Hogan
TVHidden Palms
2007
as Cliff Wiatt
MovieZoom
2006
as Dylan West / Houdini
MovieBoys Life 5
2006
MovieDare
2005
as Johnny
MovieThe Girl from Monday
2005
as Ted
TVThe O.C.
2003
as Zach Stevens
TVSmallville
2001
as Grant Gabriel
TVLaw & Order: Special Victims Unit
1999
as Derek Simpson
TVMacGyver
1985
as Robert Julian
