Yuri Andreievich Zhivago is the protagonist and title character of the novel "Doctor Zhivago" by Boris Pasternak.
Gregg Sulkin ( ; born 29 May 1992) is an English actor.
 At age ten he made his film debut in the 2002 "Doctor Zhivago" mini-series.
 He later landed the starring role in the 2006 British release "Sixty Six", and subsequently became known for appearing in the Disney Channel comedy series "As the Bell Rings" and "Wizards of Waverly Place".
 In 2010, he starred in the Disney Channel television movie "Avalon High".
 He also appeared in the television special "".
 He starred on MTV's show "Faking It" as Liam Booker from 2014 until its cancellation in 2016.
 He also appeared on "Pretty Little Liars" as Ezra's younger brother, Wesley "Wes" Fitzgerald.
 In 2016, he starred in the role of Sam Fuller in the horror-thriller film, "Don't Hang Up".
Anthony Thorne Warlow {'1': ", '2': ", '3': ", '4': "} (born 18 November 1961 in Wollongong, New South Wales, Australia) is an Australian opera and musical theatre performer, noted for his character acting and considerable vocal range.
 He is a classically trained lyric baritone.
Lucy Simon (born 1943) is an American composer for the theatre and popular songs.
 She has recorded and performed as a singer and songwriter, and is known for the musicals "The Secret Garden" and "Doctor Zhivago" .
Born Free is an album by American pop singer Andy Williams that was released on April 10, 1967, by Columbia Records and includes half a dozen songs associated with movies or musicals.
 Two of these tracks, however, originated in the scores of the films indicated on the album jacket but had lyrics added later: the melody for "Strangers in the Night" was written for "A Man Could Get Killed", and "Somewhere My Love" began as "Lara's Theme" from "Doctor Zhivago".
Doctor Zhivago (Russian: До́ктор Жива́го ; ] ) is a novel by Boris Pasternak, first published in 1957 in Italy.
 The novel is named after its protagonist, Yuri Zhivago, a physician and poet, and takes place between the Russian Revolution of 1905 and the Civil War.
Doctor Zhivago – A New Musical is a 2011 musical composed by Lucy Simon, lyrics by Michael Korie and Amy Powers, book by Michael Weller; it is based on Boris Pasternak's 1957 novel "Doctor Zhivago".
Sir Alec Guinness, {'1': ", '2': ", '3': ", '4': "} (born Alec Guinness de Cuffe, 2 April 1914 – 5 August 2000) was an English actor.
 After an early career on the stage, Guinness was featured in several of the Ealing Comedies, including "The Ladykillers" and "Kind Hearts and Coronets" in which he played nine different characters.
 He is also known for his six collaborations with David Lean: Herbert Pocket in "Great Expectations" (1946), Fagin in "Oliver Twist" (1948), Col. Nicholson in "The Bridge on the River Kwai" (1957, for which he won the Academy Award for Best Actor), Prince Faisal in "Lawrence of Arabia" (1962), General Yevgraf Zhivago in "Doctor Zhivago" (1965), and Professor Godbole in "A Passage to India" (1984).
 He is also known for his portrayal of Obi-Wan Kenobi in George Lucas's original "Star Wars" trilogy, receiving a nomination for an Academy Award for Best Supporting Actor.
Doctor Zhivago is a 2002 British television miniseries directed by Giacomo Campiotti and starring Hans Matheson, Keira Knightley and Sam Neill.
 The teleplay by Andrew Davies is based on the 1957 novel of the same title by Boris Pasternak.
Lucy Maunder is an Australian cabaret and theatre performer.
 She originated the role of Lara in the Australian premiere of "Doctor Zhivago" opposite Anthony Warlow, and has toured with her own cabaret "Songs in the Key of Black", releasing an album with the same name.
 Maunder was recently touring in the national touring company of "Grease" playing the role of Rizzo.
 She is currently playing the role of Heather Chandler in the Australian tour of .

Question: What pitch was Lucy Mander's co-star in Doctor Zhivago trained to sing in?
Answer: baritone