Question: What American dancer, actor, singer, director, and choreographer was in the 1943 musical comedy Du Barry Was a Lady?

Context paragraphs:
Kevin Stea: Kevin Alexander Stea (born October 17, 1969) is an American dancer, choreographer, actor, singer, director and model.  He has worked as a dancer and choreographer with a number of high-profile artists, including Madonna, Lady Gaga and Michael Jackson, and has appeared in several movies and television shows.

Madame Du Barry (1917 film): Madame Du Barry or Du Barry is a 1917 American silent historical drama film directed by J. Gordon Edwards and starring Theda Bara.  The film is based on the French novel "Memoirs d’un médecin" by Alexandre Dumas.

Gene Kelly: Eugene Curran Kelly (August 23, 1912 – February 2, 1996) was an American dancer, actor of film, stage and television, singer, film director, producer, and choreographer.  He was known for his energetic and athletic dancing style, his good looks, and the likeable characters that he played on screen.

The Powers Girl: The Powers Girl, sometimes retitled Hello, Beautiful, is a 1943 musical comedy film about women employed by John Robert Powers' modeling agency.  Starring George Murphy, Anne Shirley, and Carole Landis, the film was directed by Norman Z. McLeod and based upon the book by John Robert Powers (played by Alan Mowbray in the film).

DuBarry Was a Lady: Du Barry Was a Lady is a Broadway musical, with music and lyrics by Cole Porter, and the book by Herbert Fields and B.G. DeSylva.  The musical starred Bert Lahr, Ethel Merman and Betty Grable, and the song "Friendship" was one of the highlights.  The musical was made into a 1943 Technicolor film, "Du Barry Was a Lady", starring Red Skelton, Lucille Ball, and Gene Kelly.

Madame Du Barry (1934 film): Madame DuBarry is a 1934 American historical film directed by William Dieterle and starring Dolores del Rio, Reginald Owen, Victor Jory and Osgood Perkins.  The film portrays the life of Madame Du Barry, the last mistress of King Louis XV of France.  While this film does not serve accuracy to Madame Du Barry, it does feature antiques and jewelry that came from the actual days when Madame Du Barry lived.  This film was released just as the Hollywood Production Code was taking full swing, and faced many problems with censors of the time.  Scenes of this film had to be removed before its release or else it would have not been approved for release.

Paducah (song): Paducah (“If you wanna, you can rhyme it with bazooka”) is song written by Leo Robin and Harry Warren, originally performed by Carmen Miranda and Benny Goodman and His Orchestra.  The song was part of the 1943 musical "The Gang's All Here" starring Alice Faye, James Ellison, and Carmen Miranda.  The movie cemented Miranda's image as the lady with the big fruity hats.

Peter Randazzo: Peter Randazzo (born January 2, 1943, in Brooklyn) is an American dancer and choreographer known for his contributions to modern dance.  From 1962–1968 he was a principal dancer with the Martha Graham Dance Company.  In 1968 he co-founded the Toronto Dance Theatre (TDT) and its associated school, The School of Toronto Dance Theatre, with fellow Martha Graham disciples Patricia Beatty and David Earle.  A prolific choreographer, the TDT has featured his works in performances internationally for more than 40 years.

Du Barry Was a Lady (film): Du Barry Was a Lady is a 1943 American musical comedy film, starring Red Skelton, Lucille Ball, Gene Kelly and Tommy Dorsey and his Orchestra.  It is based on the 1939 stage musical of the same name.  Shot in Technicolor, the film was directed by Roy Del Ruth and produced and distributed by Metro-Goldwyn-Mayer.

Larceny with Music: Larceny with Music is a 1943 musical comedy featuring singer Alan Jones and band leader Alvino Rey.  Believing unknown singer Ken Daniels (Jones) is heir to a fortune, Hotel Deauville proprietor Gus Borelli (Leo Carrillo) hires him to headline with the Alvino Rey band.  Hotel singer Pamela Mason (Kitty Carlisle) is demoted to maid and waitress, after which she discovers that the Daniels inheritance was a rumor concocted for publicity by agent Mike Simms (William Frawley).  Borelli threatens to kill Daniels when he realizes he was duped by a publicity gimmick, but doesn't as he notices his hotel showroom is packed with customers.

Supporting paragraphs: Du Barry Was a Lady (film) Gene Kelly
Answer: Gene Kelly