Home People Tat Whalley Tat Whalley shows Tat Whalley shows Tat Whalley TV Shows (6) Parade's End (2012) As Army Groom, He was 37 years old Doctors (2000) As Nick Lindsay, He was 25 years old Silent Witness (1996) As Matthew Parsons, He was 21 years old The Detectives (1993) As T-Leaf, He was 18 years old Growing Pains (1992) As Mark Hollingsworth, He was 17 years old Casualty (1986) As Rory Miller, He was 11 years old