Katy SutcliffePlayed by Zoë Tapper

Smart, frank and upbeat, Katy shares many qualities with her sister Laura. The two are very close, and Katy values their friendship above all others. However, when she sets Laura up with Andrew Earlham, she sparks a series of events that threaten to divide the sisters forever. Because Katy is hiding something – a secret she dare not reveal to those closest to her, especially her husband, Liam. If the truth comes out, Katy stands to lose everything.