Question: Cashback was a movie that starred which English actress from "Silent Witness"?

Context paragraphs:
Emilia Fox: 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.  Fox is now the longest serving cast member since the departures of Tom Ward in 2012 and William Gaminara in 2013.  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.

Deborah Cornelius: Deborah Cornelius is a British actress who has appeared in numerous roles in film and television.  She has most recently been seen in ITV’s prime time Sunday night drama, "Mr Selfridge", as the character Miss Blenkinsop, Mr Selfridge’s nervy yet faithful secretary.  Cornelius appeared in all 10 episodes of series one.  She has also appeared in a number of high profile TV dramas including "A Dance To The Music Of Time", "Agatha Christie's Poirot", "Take a Girl Like You", "The Trail of Gemma Lang", "Silent Witness", "Hidden", "Law and Order UK", "Wire In The Blood", "Lewis", "Jekyll", and "A Civil Arrangement".

Silent Witness (2017 film): Silent Witness () is an upcoming South Korean crime thriller film starring Choi Min-shik and Park Shin-hye.  It is a remake of the Chinese film "Silent Witness".

Derek Riddell: Derek Riddell (born 11 January 1967) is a Scottish television actor.  He is best known for the portrayal of Dr. Jamie Patterson in the Channel 4 television series "No Angels".  He has also guest starred in "Doctor Who", "Ugly Betty", "Silent Witness" and "Waterloo Road".

Priyanga Burford: Priyanga Burford is an actress and writer, who has appeared in roles in a number of British films and television series.  Her credits include roles in "A Long Way Down", "A Rather English Marriage", "The Thick of It", "Silent Witness" and "Casualty".  In 2015 she starred in the Channel 4 mockumentary "" in which she played the fictional Deepa Kaur, the first Asian woman to be elected as a UK Independence Party Member of Parliament.  In 2017 she appeared in the premiere production of Consent at the Royal National Theatre, London.

A Silent Witness: A Silent Witness is a 1912 Australian silent film directed by Franklyn Barrett.  It is considered a lost film.  It was a drama set in Sydney with Cyril Mackay as the hero.

Silent Witness: Silent Witness is a British television crime drama series, produced by the BBC, which focuses on a team of forensic pathology experts and their investigations into various crimes.  First broadcast in 1996, the series was created by Nigel McCrery, a former murder squad detective based in Nottingham.  He later went on to create the hit series "New Tricks", with writer Roy Mitchell.  Since 1996, twenty series of the programme have been broadcast.  Amanda Burton originally starred as primary character Dr. Sam Ryan, before leaving the show during the eighth series.  Since, the series has featured more of an ensemble cast, currently consisting of Emilia Fox, David Caves, Liz Carr and Richard Lintern.  The programme is broadcast in more than 235 territories, including ABC in Australia, Showcase and the Knowledge Network in Canada, KRO in the Netherlands, TV One and Prime in New Zealand, and BBC America in the United States.  Twenty years after its inception, "Silent Witness" continues to achieve good audience ratings; in 2011 Series 14 attracted an average audience of nine million viewers.

Trevor Thomas (actor): Trevor Thomas is a British actor.  He acted mostly around the late 1970s mostly in television programmes, but also starred in the 1977 film "Black Joy", alongside Norman Beaton, as well as in stage productions.  Thomas's other film credits include "Yesterday's Hero" (1979), "Inseminoid" (1981), "Sheena" (1984), "Underworld" (1985), "Playing Away" (1987) and "The Nine Lives of Tomas Katz" (2000).  His television appearances include "" (1976), "The Fosters" ("Take Your Partners", 1977), "The Professionals" ("Klansmen", 1977), "Rockliffe's Babies" ("Sweet and Sour Revenge", 1987), "Silent Witness" ("The World Cruise", 2000), "Minder" ("Gunfight at the O.K. Laundrette", 1979, and "Fiddler on the Hoof", 1989) and "The Sweeney" ("The Bigger They Are", 1978).

Cashback (film): Cashback is a 2006 British romantic comedy-drama film written and directed by Sean Ellis.  Originally exhibited as a short in 2004, it was expanded to feature length in 2006.  Both versions were produced by Lene Bausager, starring Sean Biggerstaff and Emilia Fox.  The feature was released by Magnolia Pictures in late 2006 and also starred Michelle Ryan.

Lesley McGuire: Lesley McGuire (born 1972) is an Irish actress who played Jenny Delaney/Quinnan in "The Bill" and she has also appeared in "Kavanagh QC", "Silent Witness", "Doctors" and "Shameless".

Supporting paragraphs: Cashback (film) Emilia Fox
Answer: Emilia Rose Elizabeth Fox