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.
2026Gail Daughtry and the Celebrity Sex PassMovieas Tom Soursap McNoodleman2025BallardTV showas Aaron · 8 episodes
2023FoundTV showas Christian Evans · 5 episodes
2023Fatal AttractionTV showas Clay Bishop · 2 episodes
2023Waco: The AftermathTV showas Bill Johnston · 5 episodes
2022HypochondriacMovieas NP Chaz2021Army of the DeadMovieas Sgt. Kelly2021Resident AlienTV showas Dr. Ethan Stone · 6 episodes
2020DeliveredMovieas Tom
2020Breaking FastMovieas Kal2020Mythic QuestTV showas Peter Cromwell · 1 episodes
2019Good TroubleTV showas Asher Bowen · 7 episodes
2018Jingle Around the ClockMovieas Max2018The RookieTV showas Caleb Wright · 2 episodes2018Dog DaysMovieas Dr. Mike Stone
2018The Dare ProjectMovieas Johnny2018Station 19TV showas Peter · 1 episodes
2017The StrayMovieas Mitch Davis
2017The Guest BookTV show1 episodes
2016People of EarthTV showas Jonathan Walsh · 20 episodes2016Batman v Superman: Dawn of JusticeMovieas Jimmy Olsen2015The MagiciansTV showas James · 4 episodes
2015Night of the Living DebMovieas Ryan Waverly · Producer
2014StalkerTV showas Brian Mitchell · 1 episodes2013Masters of SexTV showas Dr. Malcolm Toll · 1 episodes2012The Guilt TripMovieas Fake Andy (uncredited)2012ArgoMovieas Jordan's Analyst
2012Men at WorkTV showas Tyler · 30 episodes2012ScandalTV showas Travis Harding · 1 episodes
2012Are You There, Chelsea?TV showas Jonathan · 1 episodes2011Happy EndingsTV showas Male Lead · 1 episodes
2009Boys On Film 3: American BoyMovieas Johnny (segment "Dare")2009CastleTV showas Greg McClintock · 1 episodes
2008PrivilegedTV showas Charlie Hogan · 18 episodes
2007Hidden PalmsTV showas Cliff Wiatt · 8 episodes2006ZoomMovieas Dylan West / Houdini
2006Boys Life 5Movie
2005DareMovieas Johnny
2005The Girl from MondayMovieas Ted2003The O.C.TV showas Zach Stevens · 19 episodes2001SmallvilleTV showas Grant Gabriel · 7 episodes1999Law & Order: Special Victims UnitTV showas Derek Simpson · 1 episodes1985MacGyverTV showas Robert Julian · 1 episodes