Michael Cassidy

Known for: Acting

Born: 1983-03-20 (age 43)

From: 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.

Filmography (43)

MOVIE★ 1.0
Gail Daughtry and the Celebrity Sex Pass
2026
as Tom
TV★ 7.2
Ballard
2025
as Aaron
TV★ 6.2
Found
2023
as Christian Evans
TV★ 6.1
Fatal Attraction
2023
as Clay Bishop
TV★ 6.9
Waco: The Aftermath
2023
as Bill Johnston
MOVIE★ 4.9
Hypochondriac
2022
as NP Chaz
MOVIE★ 6.2
Army of the Dead
2021
as Sgt. Kelly
TV★ 7.8
Resident Alien
2021
as Dr. Ethan Stone
MOVIE★ 5.4
Delivered
2020
as Tom
MOVIE★ 6.6
Breaking Fast
2020
as Kal
TV★ 7.2
Mythic Quest
2020
as Peter Cromwell
TV★ 7.4
Good Trouble
2019
as Asher Bowen
MOVIE★ 6.8
Jingle Around the Clock
2018
as Max
TV★ 8.6
The Rookie
2018
as Caleb Wright
MOVIE★ 6.6
Dog Days
2018
as Dr. Mike Stone
MOVIE★ 6.5
The Dare Project
2018
as Johnny
TV★ 8.2
Station 19
2018
as Peter
MOVIE★ 6.2
The Stray
2017
as Mitch Davis
TV★ 7.0
The Guest Book
2017
TV★ 7.0
People of Earth
2016
as Jonathan Walsh
MOVIE★ 6.0
Batman v Superman: Dawn of Justice
2016
as Jimmy Olsen
TV★ 7.6
The Magicians
2015
as James
MOVIE★ 5.3
Night of the Living Deb
2015
as Ryan Waverly
TV★ 6.7
Stalker
2014
as Brian Mitchell
TV★ 7.1
Masters of Sex
2013
as Dr. Malcolm Toll
MOVIE★ 5.6
The Guilt Trip
2012
as Fake Andy (uncredited)
MOVIE★ 7.3
Argo
2012
as Jordan's Analyst
TV★ 6.6
Men at Work
2012
as Tyler
TV★ 7.2
Scandal
2012
as Travis Harding
TV★ 6.9
Happy Endings
2011
as Male Lead
TV
Inside Room 334
2010
as Seth
MOVIE★ 2.2
Boys On Film 3: American Boy
2009
as Johnny (segment "Dare")
TV★ 8.0
Castle
2009
as Greg McClintock
TV★ 7.1
Privileged
2008
as Charlie Hogan
TV★ 5.6
Hidden Palms
2007
as Cliff Wiatt
MOVIE★ 5.3
Zoom
2006
as Dylan West / Houdini
MOVIE★ 5.6
Boys Life 5
2006
MOVIE★ 6.3
Dare
2005
as Johnny
MOVIE★ 4.4
The Girl from Monday
2005
as Ted
TV★ 7.7
The O.C.
2003
as Zach Stevens
TV★ 8.2
Smallville
2001
as Grant Gabriel
TV★ 8.0
Law & Order: Special Victims Unit
1999
as Derek Simpson
TV★ 7.7
MacGyver
1985
as Robert Julian