Lucy "Lu" Corfield is a Welsh actress from Powys, Wales, known for her roles as Freya Wilson in Doctors, Ruth in Last Tango in Halifax and Joyce Edevan in Clink. In 2020, she appeared in the BBC Three series In My Skin. Raised in Four Crosses near Llanfair Caereinion, Powys, she became head girl at Welshpool High School. Due to study English at university, she caught the acting bug through appearances with the Montgomeryshire Youth Theatre. After A-Levels, she approached Amnesty International to set up a theatre in education company, with which she toured for two years. She then relocated to London and studied acting at RADA for three years.

Corfield is constantly campaigning to improve the rights and visibility of the LGBTQIA Community. She has appeared in the Diversity Role Models Calendar, to show her support towards the prevention of homophobic bullying in UK schools, is a proud Patron of Pride Cymru, and co-founder of House of Pride, a company that creates a platform and spaces for the queer female and non-binary community.