Arena eavesdrops on the writing of a new adventure for James Hazell , popular cockney private eye. He is the creation of Terry Venables , manager of Queen's Park Rangers, and Gordon Wil liams, author of Straw Dogs. Now the TV series has ended, who, after NICHOLAS BALL , could Possibly take over the part? Both authors have definite ideas about how their hero should be portrayed. In tonight's film John Bindon and Michael Elphick try out the role ... and indulge in a little eavesdropping of their own.