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Michael Cassidy

Acting

Born March 20, 1983 · Portland, Oregon, USA

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.

Filmography35 titles

The Rookie

2018as Caleb Wright

Station 19

2018as Peter

Smallville

2001as Grant Gabriel

Castle

2009as Greg McClintock

Law & Order: Special Victims Unit

1999as Derek Simpson

Resident Alien

2021as Dr. Ethan Stone

The O.C.

2003as Zach Stevens

MacGyver

1985as Robert Julian

The Magicians

2015as James

Good Trouble

2019as Asher Bowen

Argo

2012as Jordan's Analyst

Ballard

2025as Aaron

Mythic Quest

2020as Peter Cromwell

Scandal

2012as Travis Harding

Masters of Sex

2013as Dr. Malcolm Toll

Privileged

2008as Charlie Hogan

The Guest Book

2017

People of Earth

2016as Jonathan Walsh

Waco: The Aftermath

2023as Bill Johnston

Happy Endings

2011as Male Lead

Jingle Around the Clock

2018as Max

Breaking Fast

2020as Kal

Dog Days

2018as Dr. Mike Stone

Men at Work

2012as Tyler

Found

2023as Christian Evans

Army of the Dead

2021as Sgt. Kelly

The Stray

2017as Mitch Davis

Fatal Attraction

2023as Clay Bishop

Batman v Superman: Dawn of Justice

2016as Jimmy Olsen

The Guilt Trip

2012as Fake Andy (uncredited)

Hidden Palms

2007as Cliff Wiatt

Delivered

2020as Tom

Night of the Living Deb

2015as Ryan Waverly

Zoom

2006as Dylan West / Houdini

Hypochondriac

2022as NP Chaz