John Wilder was ? in The Edgar Wallace Mysteries as 'Police Constable (uncredited), Steward's Assistant (uncredited), Doorman, Gambler (uncredited), Detective (uncredited), PC Owens (uncredited), Party Guest (uncredited), Hotel Doorman (uncredited), Man in Court (uncredited), Duty Officer (uncredited), Press Officer - Court Official (uncredited), Restaurant Patron (uncredited)'.