American actress Maura Tierney was in her 30s when she started playing Dr. Abby – the once lowly nurse who evolves into a confident doctor – in the medical drama series “ER” in 1999.

Tierney shared the screen with Noah Wyle as ambitious medical student John Carter, Laura Innes as well as the well-accomplished doctor Kerry Weaver and brings him back to his big break… George Clooney as dedicated pediatrician, Doug Ross.

Maura also starred as Lisa Miller on the sitcom “News Radio” in the late 90s.