Sarah Elizabeth Quintrell (born in Lambeth, London) is an English writer and actress, best known for writing multi-award winning single drama Ellen (Channel 4, 2016) and the five part crime drama The Trial: A Murder In The Family (Channel 4, 2017). In 2017, she was named a . As an actor, Sarah has had an extensive career on stage as well as appearing in television such as Rillington Place (2016), Call the Midwife (2016) and Doctor Who.