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Michael Cassidy
1.2 Popularity
Biography
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
Credits
Ballard
as Aaron
2025
7.0
Found
as Christian Evans
2023
6.4
Fatal Attraction
as Clay Bishop
2023
6.2
Waco: The Aftermath
as Bill Johnston
2023
6.9
Hypochondriac
as NP Chaz
2022
4.8
Army of the Dead
as Sgt. Kelly
2021
6.2
Resident Alien
as Dr. Ethan Stone
2021
7.8
Delivered
as Tom
2020
5.3
Breaking Fast
as Kal
2020
6.3
Mythic Quest
as Peter Cromwell
2020
7.2
Jingle Around the Clock
as Max
2018
6.8
The Rookie
as Caleb Wright
2018
8.5
Dog Days
as Dr. Mike Stone
2018
6.6
The Dare Project
as Johnny
2018
6.3
Station 19
as Peter
2018
8.2
The Stray
as Mitch Davis
2017
6.1
The Guest Book
2017
7.0
People of Earth
as Jonathan Walsh
2016
6.9
Batman v Superman: Dawn of Justice
as Jimmy Olsen
2016
6.0
The Magicians
as James
2015
7.6
Night of the Living Deb
as Ryan Waverly
2015
5.2
Stalker
as Brian Mitchell
2014
6.7
Masters of Sex
as Dr. Malcolm Toll
2013
7.1
The Guilt Trip
as Fake Andy (uncredited)
2012
5.6
Argo
as Jordan's Analyst
2012
7.3
Men at Work
as Tyler
2012
6.6
Scandal
as Travis Harding
2012
7.2
Happy Endings
as Male Lead
2011
6.9
🎬
Inside Room 334
as Seth
2010
0.0
Boys On Film 3: American Boy
as Johnny (segment "Dare")
2009
2.3
Castle
as Greg McClintock
2009
8.0
Privileged
as Charlie Hogan
2008
7.1
Hidden Palms
as Cliff Wiatt
2007
5.6
Zoom
as Dylan West / Houdini
2006
5.3
Boys Life 5
2006
5.6
Dare
as Johnny
2005
6.3
The Girl from Monday
as Ted
2005
4.1
The O.C.
as Zach Stevens
2003
7.8
Smallville
as Grant Gabriel
2001
8.2
Law & Order: Special Victims Unit
as Derek Simpson
1999
7.9
MacGyver
as Robert Julian
1985
7.7