Barlow is the scriptwriter, as well as lead performer, in many National Theatre of Brent productions, in particular All the World's a Globe (1987), Desmond Olivier Dingle's Compleat Life and Works of William Shakespeare (1995) and The Arts and How They Was Done (2007).
Barlow is the writer and lead actor in several plays by the National Theatre of Brent, including All the World's a Globe (1987), Desmond Olivier Dingle's Compleat Life and Works of William Shakespeare (1995), and The Arts and How They Was Done (2007).