 From 1985 to 1990, Kate played the character Doreen Corkhill in the Channel 4 soap opera "Brookside".She appeared in "Movies 'Til Dawn" in 1997, before moving on to ITV television series "Peak Practice" as Andrew Attwood's sister, Chrissy Booth, for four episodes.In 1999, Kate was Mrs. Delaney for 2 episodes in "Queer as Folk (UK TV series)" 

Fitzgerald has starred as Loretta Chase in "Benidorm", the eccentric mother of Sheron Dawson (Julie Graham), since 2017.