It was recently announced that Just Good Friends star Paul Nicholas had been cast in the role of Gavin Sullivan, who will have a major role in Kathy's return storyline later this year.
Speaking at an EastEnders press event, Treadwell-Collins said: "We are gearing up to the big return of Kathy. Paul Nicholas has already started filming and we had a big meeting with him today. If everything works out the way I hope and I am sure it will, Gavin is going to be an EastEnders villain like no other. He is going to be modern, complex and he will have a little foot in the
past and a foot in the present. You will learn more about him later."