The next big arrival was the powerful business woman Sheridan Sturgess who came to Westside to take over "The Advocate", and eventually, the local TV station "WTV8". This key role was played by Kate Raison, whom, like Penny Cook, was another actress who'd become hugely popular after a successful run in "A Country Practice" as Cathy Hayden. Forrest Redlich created the role of Cathy and he worked extensively with Raison on "A Country Practice", admitting his admiration for the actress on the "Mr Bad's Revenge Part 2" DVD audio commentary. Glamorous and upfront, Sheridan became the series new leading lady. Her brother, Michael Sturgess (Graham Harvey), who'd already appeared as a guest character, also came back to "E Street" as a regular, and he married original favourite Lisa Bennett (Alyssa-Jane Cook). They all unwittingly become central to the next big storyline for the 1991 season: the arrival of the serial killer, Steven Richardson, better known as, "Mr Bad" (Vince Martin). Executive Producer Forrest Redlich commented to TV Week when the storyline began: