Emilia Fox is an English actress. She has starred as Dr. Nikki Alexander in the BBC crime series Silent Witness since 2004 and had a recurring role in the BBC program Merlin. Fox has also appeared in the series Delicious, Signora Volpe, and The Tunnel: Vengeance. She has appeared in films such as The Pianist, produced the series In the Footsteps of Killers, and hosted the podcast If It Bleeds, It Leads.