Irish actress Brenda Fricker has been frank about her mortality. Hit BBC staple Casualty is back and the series is recognised as the longest-running primetime medical drama in the world . The drama made its debut in 1986, with the original cast made up of 10 main characters including consultant Ewart Plimmer (played by Bernard Gallagher) and senior house officer Baz Samuels (Julia Watson). Another main character was, state-enrolled nurse Megan Roach, with Dublin actress Brenda Fricker playing