Michael Cassidy
Where to watch Michael Cassidy in United States. On screen since 1985. Licensed apps only — 24 titles we track below.
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.
Where to watch their titles
Batman v Superman: Dawn of Justice
Jimmy Olsen · 2016
Argo
Jordan's Analyst · 2012
Smallville
Grant Gabriel · 2001
Army of the Dead
Sgt. Kelly · 2021
Law & Order: Special Victims Unit
Derek Simpson · 1999
The Rookie
Caleb Wright · 2018
Castle
Greg McClintock · 2009
The Magicians
James · 2015
Station 19
Peter · 2018
Resident Alien
Dr. Ethan Stone · 2021
The O.C.
Zach Stevens · 2003
MacGyver
Robert Julian · 1985
The Guilt Trip
Fake Andy (uncredited) · 2012
Zoom
Dylan West / Houdini · 2006
Scandal
Travis Harding · 2012
Mythic Quest
Peter Cromwell · 2020
Masters of Sex
Dr. Malcolm Toll · 2013
Dog Days
Dr. Mike Stone · 2018
Happy Endings
Male Lead · 2011
Ballard
Aaron · 2025
Good Trouble
Asher Bowen · 2019
Night of the Living Deb
Ryan Waverly · 2015
Stalker
Brian Mitchell · 2014
People of Earth
Jonathan Walsh · 2016