Home People David Mercer David Mercer movies David Mercer movies David Mercer Movies (8) Providence (1977) As Writer. He was 48 years old A Doll's House (1973) As Screenplay. He was 45 years old Family Life (1972) As Screenplay. He was 44 years old On the Eve of Publication (1968) As Writer. He was 40 years old Let's Murder Vivaldi (1968) As Writer. He was 39 years old Morgan: A Suitable Case for Treatment (1966) As Writer. He was 37 years old Ninety Degrees in the Shade (1966) As Screenplay. He was 38 years old Where the Difference Begins (1961) As Writer. He was 33 years old