Niamh CusackNiamh Cusack was born into an acting family of great repute: her father was the late Cyril Cusack, star of the stage and screen, and her mother was actress Maureen Keilty. Niamh became a household name in 1992 when she played Dr. Kate Rowan inthe popular ITV drama Heartbeat. She is married to actor Finbar Lynch and they have one son. Read More Read Less