Known best for playing Maisie Wylde on the popular British soap opera Emmerdale. She is also notable for her appearances on Holby City and The Bill.
Before making her Emmerdale debut, she earned a bachelor's degree in English from the University of Liverpool.
She lent her voice to a PlayStation 4 gamed called The Order: 1886.
She married White Rose Movement bassist Owen Dyke in the summer of 2010.
During her childhood years, Coulthard co-starred with Charlotte Gainsbourg in the 1993 film The Cement Garden.