Home People Michael Cassidy Michael Cassidy shows Michael Cassidy shows Michael Cassidy TV Shows (9) The Guest Book (2017) He was 80 years old People of Earth (2016) As Jonathan Walsh, He was 79 years old The Magicians (2015) As James, He was 78 years old Men at Work (2012) He was 75 years old Castle (2009) As Greg McClintock, He was 71 years old Privileged (2008) As Charlie Hogan, He was 71 years old Hidden Palms (2007) As Cliff Wiatt, He was 70 years old The O.C. (2003) He was 66 years old Smallville (2001) As Grant Gabriel, He was 64 years old
