John's services as Consultant and Technical Advisor are sought by leading film, television and theatre Directors, including:
Steven Spielberg - Michael Winner - Tom Stoppard - Frank Oz - Terry Gilliam - Julian Fellowes Robert Zemeckis - Danny Boyle - Roman Polanski
John - teaching the 'trade of the tricks' to
Ron Moody - Tom Hanks - Jude Law - Sam Neill - Sir Roger Moore