Question: What British period drama did the actor who played Nathan Green in "Pride and Joy", act in?
Context: Nathan Green "Nat" Caldwell (July 16, 1912 – February 11, 1985) was an American journalist who spent fifty years on the staff of the "Nashville Tennessean".  He was a co-winner of the Pulitzer Prize for National Reporting in 1962. Nathan and Clarissa Green House is a historic home located at Oswego in Oswego County, New York.  It is a two-story wood-frame residence with a gabled, three-bay facade and side entrance, built about 1849 with Greek Revival details.  It was built by Nathan Green, an African American and fugitive slave, who purchased the lot from Gerrit Smith.  It is located next to the John and Harriet McKenzie House. Nathan Green Gordon (September 4, 1916 – September 8, 2008) was an American lawyer, politician, and decorated naval aviator.  A Democrat, he served as the sixth Lieutenant Governor of Arkansas for ten terms, from 1947 to 1967.  As a United States Navy officer in World War II, he received the U.S. military's highest decoration—the Medal of Honor—for rescuing the crews of several downed airplanes. Jeremy Samuel Piven (born July 26, 1965) is an American actor and producer.  He is known for his roles as Ari Gold in the comedy series "Entourage", for which he won a Golden Globe Award and three consecutive Emmy Awards, and as Spence Kovak on Ellen DeGeneres's sitcom "Ellen".  He also starred in the British period drama "Mr Selfridge", which tells the story of the man who created the luxury English department store chain Selfridges. Ealing Studios is a television and film production company and facilities provider at Ealing Green in west London.  Will Barker bought the White Lodge on Ealing Green in 1902 as a base for film making, and films have been made on the site ever since.  It is the oldest continuously working studio facility for film production in the world, and the current stages were opened for the use of sound in 1931.  It is best known for a series of classic films produced in the post-WWII years, including "Kind Hearts and Coronets" (1949), "Passport to Pimlico" (1949), "The Lavender Hill Mob" (1951), and "The Ladykillers" (1955).  The BBC owned and filmed at the Studios for forty years from 1955 until 1995.  Since 2000, Ealing Studios has resumed releasing films under its own name, including the revived "St Trinian's" franchise.  In more recent times, films shot here include "The Importance of Being Earnest" (2002) and "Shaun of the Dead" (2004), as well as "The Theory of Everything" (2014), "The Imitation Game" (2014) and "Burnt" (2015).  Interior scenes of the British period drama television series "Downton Abbey" were shot in Stage 2 of the studios.  The Met Film School London operates on the site. Nathan Green (born 8 June 1992) is an English footballer who plays for Dulwich Hamlet as a defender and midfielder.  In the 2014–15 season, he played in the Football League for Dagenham & Redbridge. Pride & Joy, is an American sitcom series that was shown on NBC in 1995.  The series revolved around a Manhattan couple, Greg and Amy Sherman (played by Craig Bierko and Julie Warner), with a newborn son, and a couple across the hall, Nathan and Carol Green (Jeremy Piven and Caroline Rhea).  The series ended after one season. Nathan Green (born 1 April 1992) is an Australian professional rugby league footballer who last played for the Manly Warringah Sea Eagles in the National Rugby League.  He primarily plays at centre and second-row, but can also fill in at wing and previously played for the St. George Illawarra Dragons. Nathan Green, Jr. (February 1827 – February 1919) was one of the founders and the first dean of Cumberland School of Law, then located in Lebanon, Tennessee. Rudy Wade is a fictional character from the British Channel 4 science fiction comedy-drama "Misfits", portrayed by Joseph Gilgun.  After Robert Sheehan, who played Nathan Young, announced his departure, it was announced a new character called Rudy would join the show as a replacement.  Casting for Rudy was announced soon after, with Gilgun cast in the role.  Rudy was created as the "new funny man" of the show, a role previously held by Nathan.  Rudy first appears in an online special titled ""Vegas Baby!""  Rudy has the ability to split into multiple personalities.  While two of these personalities are originally introduced, it is later revealed that there is a third Rudy who was imprisoned prior to Rudy's introduction in the series.
Answer: Mr Selfridge