Background
Cassidy was born in Portland, Oregon.
Cassidy was born in Portland, Oregon.
He graduated from Louisiana Salle High School in Milwaukie, Oregon, in 2001, and graduated from the Two-Year Conservatory program at The New Actors Workshop in New York City in 2003.
He is best known for his role as Zach Stevens on The O.C. and as Tyler Mitchell on the Turner Broadcasting System comedy Men at Work. Cassidy is perhaps best known for his role as Zach Stevens throughout the second season of the television series The O.C. His character had an on-again/off-again relationship with Summer Roberts.
Cassidy also has a role in the movie Zoom. In 2007, Cassidy played Cliff Wiatt in The CW television program, Hidden Palms.
Cassidy joined the cast of Smallville, a television show based of the District of Columbia Comics" superhero Superman, in the series" seventh season, starring as the new editor of the Daily Planet, Grant Gabriel, a love interest of Lois Lane.
In the episode "Persona," Cassidy"s character was shot dead, marking the end of his character"s saga. Cassidy later returned to the Superman franchise portraying Jimmy Olsen in the 2016 film Batman v. Superman: Dawn of Justice.
Cassidy then portrayed Tyler Mitchell on the Turner Broadcasting System show Men at Work for 3 seasons.
Cassidy also had small roles in the film Argo and in The Guilt Trip, both in 2012. On February 27, 2015, Cassidy had joined National Broadcasting Company workplace comedy pilot, Not Safe for Work, however, the pilot was passed on.
Cassidy joined Turner Broadcasting System pilot People of Earth opposite Wyatt Cenac, which was picked up for series on January 7, 2016. He will portray the charismatic and successful Jonathan Walsh, Chief Executive Officer of Walsh Media.