Actor
Michael Cassidy
Born 1983 · 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.
Acting
The Rookie
Caleb Wright · 2018
Smallville
Grant Gabriel · 2001
Argo
Jordan's Analyst · 2012
Law & Order: Special Victims Unit
Derek Simpson · 1999
Castle
Greg McClintock · 2009
Station 19
Peter · 2018
Batman v Superman: Dawn of Justice
Jimmy Olsen · 2016
The Magicians
James · 2015
Resident Alien
Dr. Ethan Stone · 2021
The O.C.
Zach Stevens · 2003
MacGyver
Robert Julian · 1985
Army of the Dead
Sgt. Kelly · 2021
Scandal
Travis Harding · 2012
Mythic Quest
Peter Cromwell · 2020
Masters of Sex
Dr. Malcolm Toll · 2013
Good Trouble
Asher Bowen · 2019
Dog Days
Dr. Mike Stone · 2018
The Guilt Trip
Fake Andy (uncredited) · 2012
Ballard
Aaron · 2025
Happy Endings
Male Lead · 2011
Zoom
Dylan West / Houdini · 2006
Stalker
Brian Mitchell · 2014
People of Earth
Jonathan Walsh · 2016
Waco: The Aftermath
Bill Johnston · 2023