Home People David J. Barker David J. Barker movies David J. Barker movies David J. Barker Movies (4) Avengers: Endgame (2019) As Pyrotechnician. He was 78 years old The Island (2005) As Special Effects Technician. He was 64 years old S.W.A.T. (2003) As Special Effects Technician. He was 62 years old Track (1969) As Special Effects.