Home People Jason Cermak Jason Cermak shows Jason Cermak shows Jason Cermak TV Shows (5) Zoo (2015) As Sgt. Mansdale, He was 38 years old Once Upon a Time (2011) As Black Knight, He was 34 years old Psych (2006) As Morrison, He was 29 years old Supernatural (2005) As George, He was 28 years old Supernatural (2005) As Percy, He was 28 years old
