Question: who provides the speaking voice for Mardge Simpson's doctor?

Context articles: 2-D (character)
God Help the Outcasts
Dr. Hibbert
I'll Make a Man Out of You
Jane Cain
Lin Yu-chun
Cheryl Tunt
Karl Haas
I Married Marge
Mulan (Disney character)

Stuart Harold "2-D" Pot is a fictional character who is a musician and member of the British virtual band, Gorillaz.
 He provides the lead vocals and plays the keyboard for the band.
 2-D's singing voice is provided by Blur frontman Damon Albarn on Gorillaz' recordings and performances, while in additional material, his speaking voice is provided by actor Nelson De Freitas in various Gorillaz direct-to-video projects such as "" and "".
 In 2017, Kevin Bishop was cast as the new speaking voice of 2-D.
 He was created by Damon Albarn and Jamie Hewlett.
"God Help the Outcasts" is a song written by composer Alan Menken and lyricist Stephen Schwartz for Walt Disney Pictures' 34th animated feature film "The Hunchback of Notre Dame "(1996).
 A pop ballad, the song is performed by American singer Heidi Mollenhauer as the singing voice of Esmeralda on American actress Demi Moore's behalf, who provides the character's speaking voice.
 A prayer, "God Help the Outcasts" is a somber hymn in which a beset Esmeralda asks God to shield outcasts and gypsies like herself against racism and discrimination at the hands of Paris and Judge Claude Frollo.
 The song also establishes Esmeralda as a selfless, empathetic character with whom Quasimodo falls in love.
Dr. Julius M. Hibbert, usually referred to as Dr. Hibbert, is a recurring character on the animated series "The Simpsons".
 His speaking voice is provided by Harry Shearer and his singing voice was by Thurl Ravenscroft, and he first appeared in the episode "Bart the Daredevil".
 Dr. Hibbert is Springfield's most prominent and competent doctor, though he sometimes makes no effort to hide or makes light of his high prices.
 Dr. Hibbert is very good-natured, and is known for finding a reason to laugh at nearly every situation.
"I'll Make a Man out of You" is a song written by composer Matthew Wilder and lyricist David Zippel for Walt Disney Pictures' 36th animated feature film "Mulan "(1998).
 Appearing on the film's soundtrack "Mulan: An Original Walt Disney Records Soundtrack", "I'll Make a Man Out of You" is performed by American singer Donny Osmond as the singing voice of Captain Li Shang in lieu of American actor BD Wong, who provides the character's speaking voice.
 The song also features appearances by Lea Salonga as Mulan, Eddie Murphy as Mushu, and Harvey Fierstein, Jerry Tondo and Wilder himself as Yao, Chien-Po and Ling, respectively.
Ethel Jane Cain (1 May 1909 – 19 September 1996) was a British telephonist and the original voice of the speaking clock in the United Kingdom.
 She was appointed in 1936 following a "search for the girl with the golden voice".
 Her voice was used from 1936 until 1963, when it was replaced by Pat Simmons.
 She also made a record for the GPO helping other staff improve their speaking voice and went on to become announcer for Henry Hall during one of his broadcast concerts.
 She was later offered a film part by Columbia Pictures under the name of Jane Cain.
Lin Yu-chun (); born 9 March 1986 in Taipei) is a Taiwanese singer, who gained fame by appearing on a Taiwanese talent show, "One Million Star" (超級星光大道), singing "I Will Always Love You" (written and originally sung by Dolly Parton) in the style of Whitney Houston's cover version.
 Lin is well known for his mezzo-soprano-like, and sometimes, contralto-like countertenor singing voice, although he has an adult speaking voice.
 According to many sources, Lin's voice is usually described as a mixture of Whitney Houston and Susan Boyle, with a dash of Cher.
 When Lin sings in his normal masculine voice rather than in a falsetto range, his voice actually somewhat sounds like Jamie Walters, or even possibly like Jackson Browne.
 In 2013, he competed in the second season of "The Voice of China".
Cheryl Tunt is a fictional character from the American television series "Archer".
 Cheryl, a secretary for Malory Archer, collaborates with seven other field operatives of the International Secret Intelligence Service (ISIS), an illegal intelligence agency headquartered in New York City.
 Judy Greer provides the speaking voice for the character, who first appeared in the series' pilot episode "Mole Hunt" on January 17, 2010, while Jessy Lynn Martens provides the singing voice for the character when she turns into country star Cherlene in season 5.
 Conceived and devised by "Archer" creator Adam Reed, Cheryl was initially intended to serve only as a minor character for the series.
Karl Haas (December 6, 1913February 6, 2005) was a German-American classical music radio host, known for his sonorous speaking voice, humanistic approach to music appreciation, and popularization of classical music.
 He was the host of the classical music radio program "Adventures in Good Music", which was syndicated to commercial and public radio stations around the world.
 He also published the book "Inside Music".
 He was a respected musicologist, as well as an accomplished pianist and conductor.
 In 1996, he received an honorary degree in Doctor of Letters from Oglethorpe University.
"I Married Marge" is the twelfth episode of "The Simpsons"<nowiki>'</nowiki> third season.
 It originally aired on the Fox network in the United States on December 26, 1991.
 In the episode, Marge worries that she may yet again be pregnant and drives to Dr. Hibbert's office.
 While anxiously waiting, Homer begins to tell Bart, Lisa, and Maggie the story of how he and Marge got married and how Bart was born.
Fa Mulan is a character, inspired by an actual historic figure, who appears in Walt Disney Pictures' 36th animated feature film "Mulan "(1998), as well as its sequel "Mulan II "(2004).
 Her speaking voice is provided by actress Ming-Na Wen, while singer Lea Salonga provides the character's singing voice.
 Created by author Robert D. San Souci, Mulan is based on the legendary Chinese warrior Hua Mulan from the poem the "Ballad of Mulan".
 The only child of an aging war veteran, Mulan disregards both tradition and the law by disguising herself as a man in order to enlist herself in the army in lieu of her feeble father.