Emilia Rose Elizabeth Fox (born 31 July 1974) is an English actress, known for her role as Dr. Nikki Alexander on
BBC crime drama Silent Witness, having joined the cast in 2004 following the departure of
Amanda Burton. She also appeared as
Morgause in the BBC’s
Merlin beginning in the programme's second series. She was educated at
Bryanston School in Blandford, Dorset.