Eleanor Matsuura (born c. 1983) is an English actress, who is best known for her roles as Hannah Santo in Spooks: The Greater Good, Bev in Utopia and as PC Donna Prager in Cuffs. Matsuura was born in Tokyo and raised in Hertfordshire, England. She was trained at the Central School of Speech and Drama and graduated in 2004. She is trained in Modern and Period dance. Matsuura worked on stage at the Royal Court Theatre, Old Vic Theatre and several West End theatres. She has also appeared in several British TV dramas, including EastEnders, Thorne, Extras, Holby City, Lead Balloon, Doctor Who and Hustle, and British films. She appears as Isobel in Bull at the Crucible Theatre, Sheffield. Matsuura features in the fourth series of the hit BBC One drama series Sherlock, playing the role of Detective Inspector Hopkins. She has done voice acting for video games such as Mass Effect: Andromeda and Dreamfall Chapters. She currently portrays Yumiko on the hit TV Show The Walking Dead based on the comic book of the same name. Matsuura is of half-Japanese and half-British descent, and has a basic skill in Japanese. She is an animal rights supporter and works closely with the Battersea Dogs and Cats Home. Matsuura is married to the Canadian actor Trevor White, the couple resides in London.