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