found: Prime suspect [VR] c1997:title frames (John Benfield)
found: Internet movie database, Nov. 20, 2007(John Benfield; alternate name, Jon Benfield; actor)
found: Internet Movie Database WWW site, March 16, 2016:(John Benfield, actor)
found: Guardian WWW site, viewed July 22, 2020(John Benfield (Jonathan Edmund Fulford Turner), actor, born 9 November 1951; died 16 June 2020; born Jonathan Turner, in Wanstead, Essex. Because there was already an actor called John Turner, he changed his professional name to John Benfield, using a name from his mother's side of the family)