Home People Martin Sacks Martin Sacks shows Martin Sacks shows Martin Sacks TV Shows (8) Wentworth (2013) As Derek Channing, He was 53 years old Lowdown (2010) He was 50 years old Underbelly (2008) As Mario Condello, He was 48 years old All Saints (1998) He was 38 years old Blue Heelers (1994) He was 34 years old Blue Heelers (1994) He was 34 years old thirtysomething (1987) He was 27 years old Jake and the Fatman (1987) He was 27 years old