Question: What is the lead a character in a play whose cast includes an American actress known primarily for her work in theatre?

Context paragraphs:
Linda Evans: Linda Evans (born November 18, 1942) is an American actress known primarily for her roles on television.  In the 1960s, she gained notice for playing Audra Barkley, the daughter of Victoria Barkley (played by Barbara Stanwyck) in the Western television series, "The Big Valley" (1965–1969).  However, she is most prominently known for the role of Krystle Carrington, the devoted wife of Blake Carrington (played by John Forsythe) in the 1980s ABC prime time soap opera "Dynasty", a role she played from 1981 to 1989.

Bharathi Vishnuvardhan: Bharathi Vishnuvardhan (born 15 August 1950), also known mononymously as Bharathi, is an Indian actress known primarily for her work in Kannada cinema.  She began her career in 1966, as a lead actress, with the Kannada movie "Love in Bangalore.

Jessica Boone: Jessica Boone (born May 14, 1984 in Houston, Texas) is an American actress with extensive experience in Shakespeare and musical theatre whom primarily works for ADV Films, Seraphim Digital and Sentai Filmworks.  She has been a leading player with the Houston Shakespeare Festival and is co-CEO and an associate artist for Prague Shakespeare Company, the Czech Republic's professional English-language theatre, where her roles have included Rosalind, Juliet, Helena, Regan, Ophelia, Innogen and Lady Macbeth among others.  Boone is also an accomplished voice actress known throughout the anime world for her work voicing hundreds of characters in Japanese animated series such as Mimmy in Hello Kitty, Misaki Suzuhara in Angelic Layer, Rei Miyamoto in High School of the Dead, Chiyo Mihama in Azumanga Daioh and Sheele in Akame ga Kill.  Her film and TV work includes feature films "Unlocked" directed by Michael Apted, starring Michael Douglas, Orlando Bloom, Noomi Rapace and John Malkovich and "Puerto Ricans In Paris" starring Rosario Dawson, Rosie Perez and Luis Guzman.  Boone also appeared on Disney-ABC Television Group as Rabia in "Missing" starring Ashley Judd, Sean Bean and Cliff Curtis.  She currently lives in Prague, Czech Republic, and has occasionally returned to the Houston, Texas area.

Marilyn Cooper: Marilyn Cooper (December 14, 1934 – April 22, 2009) was an American actress known primarily for her work on the Broadway stage.

Hairspray (2002 album): Hairspray: Original Broadway Cast Recording is the cast album for the 2002 musical "Hairspray".  The show is an adaptation of the 1988 film of the same name.  It features performances from the show's cast, which includes Harvey Fierstein, Linda Hart, Dick Latessa, Kerry Butler, Clarke Thorell, Mary Bond Davis, Laura Bell Bundy, Matthew Morrison, Corey Reynolds, and Marissa Jaret Winokur as the lead character of Tracy Turnblad.  The cast recording earned the 2003 Grammy Award for Best Musical Theater Album.

Ken Pierce: Ken Pierce is an American performer, teacher and historian of Renaissance and Baroque dance.  He trained in ballet and modern dance at the American Ballet Theatre School and the Merce Cunningham studio.  He has performed with the Court Dance Company of New York, the New York Baroque Dance Company, and Ris et Danceries (Paris).  He directs the Ken Pierce Baroque Dance Company, collaborating with Tafelmusik, Portland Baroque Orchestra, Concerto Copenhagen, The King's Noyse, and the Boston Early Music Festival.  He was assistant choreographer for "Quelques pas graves de Baptiste", Francine Lancelot's baroque-style piece for the Paris Opera Ballet, whose cast included Rudolph Nureyev.  Mr. Pierce directs the early dance program at the Longy School of Music in Cambridge, Massachusetts.

Kerry Butler: Kerry Marie Butler (born June 18, 1971) is an American actress known primarily for her work in theatre.

Natalia Dyer: Natalia Dyer (born January 13, 1997) is an American actress known primarily for her role as Nancy Wheeler in the Netflix science fiction drama series "Stranger Things".

Nancy Lee Grahn: Nancy Lee Grahn (born April 28, 1958) is an American actress known primarily for her work in daytime soap operas, portraying Julia Wainwright Capwell on "Santa Barbara" from 1985 to 1993 and Alexis Davis on "General Hospital" since 1996.

Melody Parra: Melody Marie Tavitian-Parra is an American actress and model.  Born and raised in Los Angeles, California, Parra demonstrated a talent for acting early on.  She began acting in school plays at the age of 6 and continued throughout high school where she won the school's Best Actress Gold Medal, the Musical Theatre Director's Dream Actress Award, and the Best Film Actress Tommy at John Marshall High in Los Feliz.  She made her professional stage debut during her senior year in "What's Shakein?"  (2009) at the Greek Theatre in the play's lead role.  In 2009, Parra was admitted to UCLA with a full merit scholarship.  While pursuing a dual BA, Parra joined the university's prestigious ACT III Theatre Ensemble where she played lead and large supporting roles in classics such as "Othello", "Oedipus Rex", "Macbeth", and "The Fall".  In 2012 she graduated UCLA at the age of 20, receiving her BA in English Literature and Spanish.  She made her feature film debut the following year cast in the lead role of Stella in the indie film drama "City of Quartz" (2013).  The film premiered at the BLOW-UP Arthouse International Film Festival.  That same year she was cast in the comedy "With this Ring" (2013) where she played a supporting role in both the play and its on-screen adaptation.  Parra's other films include the crime drama "Here in the East" (2014), "Fronteras" (2015), "Ouroboros" (2015), and "Edge" (2015).  Both "Here in the East" and "Edge" won Best Film in the 2015 Hollywood Reel Independent Film Festival and the 2015 San Diego Film Festival, respectively.

Supporting paragraphs: Hairspray (2002 album) Kerry Butler
Answer: Tracy Turnblad