Anthony Deane Rapp (born October 26, 1971) is an American stage and film actor and singer best known for originating the role of Mark Cohen in the Broadway production of "Rent" in 1996 and later for reprising the role in the film version and the Broadway Tour of "Rent" in 2009.
 He also performed the role of Charlie Brown in the 1999 Broadway revival of "You're a Good Man, Charlie Brown" and originated the role of Lucas in the musical "If/Then" in 2014.
Melanie Kohn (born March 20, 1964) is a former child actress being noted for voicing Lucy van Pelt during the 1970s.
 Kohn, a native of San Francisco, voiced the character in "It's a Mystery, Charlie Brown", "It's the Easter Beagle, Charlie Brown", "Be My Valentine, Charlie Brown" and "You're a Good Sport, Charlie Brown" (for which she also provided the voice of Loretta).
 She returned to voice the same character in the feature-length film "Race for Your Life, Charlie Brown".
 Melanie Kohn is the sister of Robin Kohn, who also voiced Lucy van Pelt.
You Don't Look 40, Charlie Brown, the first "Peanuts" TV special of the 1990s, is one of many prime-time animated TV specials, based on characters from the Charles M. Schulz comic strip "Peanuts".
 It originally aired on the CBS network on February 2, 1990.
 Hosted by "Knots Landing" star Michele Lee, this special includes a reunion of actors and actresses who voiced "Peanuts" characters from 1965 to 1989.
 Also included are a B.B. King performance of "Joe Cool" and clips from the seldom-seen 1973 "Hallmark Hall of Fame" live-action production of "You're a Good Man, Charlie Brown".
 Unlike the other "Peanuts" anniversary specials before and after, this was the only one that was released to home video by Paramount Home Video.
Arrin Skelley is an American voice actor.
 He is best known for being the voice actor of Charlie Brown in three prime time television specials: – "You're the Greatest, Charlie Brown", "It's Your First Kiss, Charlie Brown", and "She's a Good Skate, Charlie Brown".
 Skelley also was a voice actor of Charlie Brown in "Bon Voyage, Charlie Brown (and Don't Come Back!!)
", an animated film from 1980.
 Skelley also provided the voice for newly recorded soundtracks featured on "Charlie Brown Records" released in 1978.
You're a Good Man, Charlie Brown is the 29th prime-time animated musical TV special based upon the popular comic strip "Peanuts," by Charles M. Schulz.
 This adaptation of the 1967 musical "You're a Good Man, Charlie Brown" originally aired on the CBS network on November 6, 1985.
 The special was produced by Charles M. Schulz Creative Associates.
 It is the first "Peanuts" special to have input from the Japanese animation studio, Studio Pierrot, and like the other specials, had input from Toei Animation, also from Japan.
Stephen Shea (born December 21, 1961 in Los Angeles, California) is a former child actor most noted for voicing the character of Linus van Pelt (inheriting the role from his older brother, Christopher) in seven animated "Peanuts" television specials ("Play It Again, Charlie Brown", "You're Not Elected, Charlie Brown", "A Charlie Brown Thanksgiving", "There's No Time for Love, Charlie Brown", "It's a Mystery, Charlie Brown", "It's the Easter Beagle, Charlie Brown", and "Be My Valentine, Charlie Brown"), and in the feature-length animated film "Snoopy Come Home".
 Stephen is also the brother of actor Eric Shea.
Kristin Dawn Chenoweth ( ; born Kristi Dawn Chenoweth, July 24, 1968) is an American actress and singer, with credits in musical theatre, film and television.
 In 1999, she won a Tony Award for her performance as Sally Brown in "You're a Good Man, Charlie Brown" on Broadway.
 In 2003, she received wide notice for originating the role of Glinda in the musical "Wicked", including a nomination for another Tony.
 Her television roles have included Annabeth Schott in NBC's "The West Wing" and Olive Snook on the ABC comedy-drama "Pushing Daisies", for which she won a 2009 Emmy Award for Outstanding Supporting Actress in a Comedy Series.
 Chenoweth also starred in the ABC TV series "GCB" in 2012.
Gary Rich Burghoff (born May 24, 1943) is an American actor, known for playing Charlie Brown in the 1967 Off-Broadway musical "You're a Good Man, Charlie Brown", and the character Corporal Walter Eugene "Radar" O'Reilly in the film "MASH", as well as the TV series.
Duncan Watson is a former child actor/voice actor who is known for voicing Charlie Brown during 1975-1977.
 He voiced the character in "Be My Valentine, Charlie Brown", "You're a Good Sport, Charlie Brown" and in "Happy Anniversary, Charlie Brown".
 He then returned to voice the same character in the feature-length movie "Race for Your Life, Charlie Brown".
The Music Man is a 2003 American television film directed by Jeff Bleckner and starring Matthew Broderick and Kristin Chenoweth.

Question: What role in "You're a Good Man, Charlie Brown" was played by the actress who starred in the 2003 film "The Music Man"?
Answer: Sally Brown