John Cale on screen

The Equalizer

Director: Robert E. Warren
Writers: Wayne Powers, Donna Dottley Powers and Gail Morgan Hickman (1989)

Cale is cast as an Aryan Leader (that is: a neo-nazi) in an episode named Race Traitors. Aired in the USA by CBS on June 11, 1989

Basic setup of this series: a bunch of all American heroes kicks the buts of the bad guys.