Question: What actress is known for portraying a countess in British television as well as an American chorus girl?

Context articles: Ann Hovey
Evelyn Nesbit
Ruth Sato
Cover Girl (film)
Chorus Equity Association
Paradise for Two
Muriel Singer (Jeeves character)
Alice Delysia
Audrey Hepburn on screen and stage
Elizabeth McGovern

Ann Hovey (August 29, 1911 – August 25, 2007) was an American chorus girl and minor film actress of the 1930s, primarily in B-movies.
Florence Evelyn Nesbit (December 25, 1884 – January 17, 1967), known professionally as Evelyn Nesbit, was a popular American chorus girl, an artists' model, and an actress.
Ruth Sato (1904–1992) was a Broadway chorus dancer, gossip columnist, musician promoter and nightclub manager.
 She was known as the first Japanese chorus girl on Broadway, where she worked for 20 years.
 She worked for about ten years as a gossip columnist and musician promoter and for 25 years managing Jazz, Ltd., a Chicago Dixieland jazz nightclub, with her husband, Bill Reinhardt.
Cover Girl is a 1944 American Technicolor musical film starring Rita Hayworth and Gene Kelly.
 The film tells the story of a chorus girl given a chance at stardom when she is offered an opportunity to be a highly paid cover girl.
 The film was directed by Charles Vidor, and was one of the most popular musicals of the war years.
The Chorus Equity Association was created on August 12, 1919, in New York City during the strike by the Actors' Equity Association.
 After Florenz Ziegfeld revealed that he was joining the Producing Managers' Association, the chorus girls in his Ziegfeld Follies created their own union, with the help of a substantial donation from the superstar actress and former chorus girl Lillian Russell.
Paradise for Two is a 1937 British comedy film directed by Thornton Freeland and starring Jack Hulbert, Patricia Ellis and Arthur Riscoe.
 It is also known by the alternative title Gaiety Girls.
 A chorus girl is mistaken for a millionaire's girlfriend.
Muriel Singer is a recurring fictional character from the Jeeves novels of British comic writer P. G. Wodehouse, a chorus girl on Broadway being first Corky's fiancée and later the wife of Corky's wealthy uncle Alexander Worple, becoming Mrs. Alexander Worple.
 In the 1990s television series "Jeeves and Wooster" she is portrayed by Dena Davis.
Alice Henriette Lapize (3 March 1889 – 10 February 1979), better known by her stage name, Alice Delysia and sometimes Elise Delisia, was a French actress and singer who made her career in English musical theatre.
 After performing in the chorus at the Moulin Rouge and other theatres in Paris from the age of 14, she became a chorus girl in Edwardian musical comedies, briefly on Broadway in 1905, then in London for several years and back in Paris in 1912.
Audrey Hepburn (4 May 1929 – 20 January 1993) was a British actress who had an extensive career in film, television, and on the stage from 1948 to 1993.
 Considered by some to be one of the most beautiful women of all time, she was ranked as the third greatest screen legend in American cinema by the American Film Institute.
 Hepburn is also remembered as both a film and style icon.
 Her debut was as a flight stewardess in the 1948 Dutch film "Dutch in Seven Lessons".
 Hepburn then performed on the British stage as a chorus girl in the musicals "High Button Shoes" (1948), and "Sauce Tartare" (1949).
 Two years later she made her Broadway debut as the title character in the play "Gigi".
 Hepburn's Hollywood debut as a runaway princess in William Wyler's "Roman Holiday" (1953) opposite Gregory Peck made her a star.
 For her performance she received the Academy Award for Best Actress, the BAFTA Award for Best British Actress, and the Golden Globe Award for Best Actress in a Motion Picture – Drama.
 In 1954 she played a chauffeur's daughter caught in a love triangle in Billy Wilder's romantic comedy "Sabrina" opposite Humphrey Bogart and William Holden.
 In the same year Hepburn garnered the Tony Award for Best Actress in a Play for portraying the titular water nymph in the play "Ondine".
Elizabeth Lee McGovern (born July 18, 1961) is an American film, television, and theater actor, and musician.
 She received an Academy Award nomination for her role as Evelyn Nesbit in the 1981 film "Ragtime".
 She is also known for her performance as Lady Cora Crawley, Countess of Grantham in the British drama series "Downton Abbey", for which she has been nominated for an Emmy Award and Golden Globe Award.
 Her other films include "Ordinary People" (1980), "Once Upon a Time in America" (1984), "The Handmaid's Tale" (1990) and "The Wings of the Dove" (1997).