Home People Richard Grieco Richard Grieco shows Richard Grieco shows Richard Grieco TV Shows (6) Celebrity Ghost Stories (2009) He was 44 years old Veronica Mars (2004) He was 39 years old Marker (1995) He was 29 years old Booker (1989) He was 24 years old 21 Jump Street (1987) As Detective Dennis Booker, He was 22 years old 21 Jump Street (1987) As Officer Dennis Booker, He was 22 years old
