Murphy rose to prominence after appearing as Janice Toner in
Tutti Frutti (1987), starring
Robbie Coltrane. It was written by
John Byrne for
BBC Scotland, and won six
BAFTAs, bringing "many of the cast to national prominence." Her radio work includes the role of Janet in the
Radio 4 series
Adventures of a Black Bag. Katy Murphy works part time as a teacher, with young children, including those with special needs, saying she loves it because "[it’s] so healthy. You’re looking outwards, rather than inwards." When teaching, she uses the name Margaret, which is on her birth certificate. ==Personal life==