Question: Who played Dr. Nikki Alexander and Jeannie Hurst?
Context: Sam Groom (born June 13, 1938 in Columbus, Ohio) is an actor most noted for his numerous roles on television.  He portrayed the title role in the Canadian television series "Dr. Simon Locke" (1971), later renamed "Police Surgeon".  Prior to that, he had played Dr. Russ Matthews in the daytime soap opera "Another World" (1966-1971).  He also played Hal Sterling, the father of a castaway family, on a little-known 1980s science fiction television series "Otherworld".  During the 1980s, Groom also was a spokesperson for American Motors, appearing in many commercials for the popular AMC Concord and AMC Eagle model lineups.  He later played Joseph Orsini in the soap opera "All My Children" in 1993. Nicola "Nikki" Shadwick is a character in Channel 4 soap "Brookside" played by Suzanne Collins from 27 March 1998 until the programme's final episode on 4 November 2003.  Nikki's storylines have included being "date-raped" by Luke Musgrove at a party at Number 5, hosted by Leo Johnson and Tim O'Leary.  Not long after this ordeal, Nikki had to deal with the deaths of her father Greg and Brother Jason after an explosion on Brookside Parade, and was also stalked by an obsessive friend at her University.  Her younger sister Emily was killed during the Brookside Siege of 2002 and her mother then moved to Brussels.  In the final episode of Brookside Nikki reveals she is going to live with her Mother Margi in Brussels. Dr. Carson Beckett is a fictional Scottish character in the Canadian-American science fiction television series "Stargate Atlantis", a spin-off series of "Stargate SG-1".  He is portrayed by Scottish-born Canadian actor Paul McGillion, who previously played Dr. Ernest Littlefield in the first season of "SG-1".  The character's Scottish nationality was only decided after McGillion's audition. "Silent Witness" is a British television drama.  The following is a list of all episodes that have been broadcast across all television series, since the series began on 21 February 1996.  The first seven series featured Amanda Burton in the lead role.  Following Burton's departure (in series 8, episode 2), Emilia Fox joined the show (in series 8, episode 5) as new forensic pathologist Nikki Alexander, and as of 2016 she is still in the series.  In the first episode of series 6, William Gaminara and Tom Ward both joined the series.  After series 15, Ward left the show to pursue other projects.  He was replaced by David Caves and Liz Carr who both joined the show in series 16. A Letter from Ulster is a 1942 documentary by Ulster-born movie director Brian Desmond Hurst who, along with his lifelong friend Terence Young (scriptwriter) and fellow Ulsterman and Assistant Director William (Bill) MacQuitty, created this film promoting a sense of community between the people of Northern Ireland and over one hundred thousand troops from the US based in Northern Ireland at the time.  Hurst went on to become one of Northern Ireland's most prominent film director and Young went on to direct the early Bond movies "Dr. No", "From Russia With Love" and "Thunderball".  William MacQuitty went on to direct the "Titanic" film "A Night to Remember". Randall & Hopkirk (Deceased) is a British television series, produced by Working Title Television for BBC One, written and produced by Charlie Higson.  It is a remake of the 1960s television series "Randall and Hopkirk (Deceased)" and stars Vic Reeves as Marty Hopkirk and Bob Mortimer as Jeff Randall, two partner private detectives, Emilia Fox as Jeannie Hurst, Hopkirk's fiancée, and Tom Baker as Wyvern, a spirit mentor.  Two series were commissioned and were broadcast in 2000 and 2001 with the pilot episode airing 18 March 2000. The Great American Trailer Park Musical is a two-act musical, written by David Nehls and Betsy Kelso.  It explores the relationships between the tenants at the Armadillo Acres Trailer Park in Florida, particularly between Pippi, "the stripper on the run," the Dr. Phil-loving agoraphobic Jeannie, and Jeannie's tollbooth-collector husband Norbert.  It was performed in the first annual New York Music Theater Festival in 2004 and Off-Broadway in 2005. Millette Alexander is an American actress and concert pianist, best known for having played Dr. Sara McIntyre Gantry Werner Blackford Thorpe on "The Guiding Light" from January 1969 to January 1983.  She was the third and best-known actress to have portrayed the popular role.  She also is known for her three roles on television's "The Edge of Night" and for having played Sylvia Hill Suker, R. N. on "As the World Turns". Hurst Park Club Ground is a cricket ground in East Molesey, Surrey.  The ground formerly occupied the round area inside Hurst Park Racecourse.  The first recorded match was in 1890 when it hosted its only first-class match between Hurst Park Club and the touring Australians.  The ground moved to the far east of the park.  93 years later, Surrey played a single List-A match at the ground against Northamptonshire. 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.
Answer: Emilia Fox