Title: List of The Nightmare Before Christmas characters
Content:  The film's protagonist, Jack Skellington is a skeleton who holds the title of The Pumpkin King. He is popular among the residents of Halloween Town, due to his charming personality and aim to please. Despite a lack of inhibition, he means well. He is in charge of Halloween. Having repeated the same routine for years, he feels his inspiration for his own holiday waning. Christmas Town gives him new ideas and inspiration. He also appears in The Nightmare Before Christmas: Oogie's Revenge. He is voiced in all appearances by Chris Sarandon, and his singing voice in the film was provided by Danny Elfman. Since 
Title: Jack Skellington
Content:  Jack Skellington is a character and the main protagonist of the 1993 film The Nightmare Before Christmas. Jack is the "Pumpkin King" of Halloween Town, a fantasy world based solely on the Halloween holiday. Jack is voiced by Chris Sarandon. Danny Elfman provided Jack's singing voice in the original film and soundtrack album, with Sarandon providing Jack's speaking and singing voice in subsequent productions. His overall appearance is a skeleton dressed in a black pin-striped suit and a bow tie that strongly resembles a bat. Originally, his suit was meant to be completely black, but it blended with the background too well, so it was changed. At the beginning of the film, Jack makes his grand entrance by emerging out of the fountain in Halloween Town's plaza. His last name is a play on the word "skeleton". He has a ghost dog named Zero for a pet, who has a small jack-o'-lantern for a nose. He is adored by Sally, a feminine creation of Doctor Finklestein. The character is a popular design on bags, hats, clothing, umbrellas, belt buckles, pet collars, and other items.
Title: The Nightmare Before Christmas
Content: Chris Sarandon (speaking voice) and Danny Elfman (singing voice) as Jack Skellington, a skeleton known as the "Pumpkin King" of Halloween Town. Elfman was initially cast as Jack's singing voice and, after the songs were recorded, Sarandon was cast to match Elfman's voice style. ; Elfman also voices: ; Barrel, one of the trick-or-treaters working for Oogie Boogie. ; The Clown with the Tear-Away Face, a self-described clown who rides a unicycle. ; Catherine O'Hara as Sally, a rag doll/Frankenstein's monster-like creation of Finklestein and Jack's love interest. She is a toxicologist who uses various types of poison to liberate herself from the captivity of her "father". She is also psychic and has premonitions when anything bad is about to happen. O'Hara had previously co-starred in Burton's Beetlejuice. ; O'Hara also voices 
Title: Kim Seung-jun
Content: The Nightmare Before Christmas (크리스마스의 악몽, Korean-dubbed edition in theaters) ; Chris Sarandon as Jack Skellington 
Title: The Nightmare Before Christmas
Content:  The Nightmare Before Christmas (also known as Tim Burton's The Nightmare Before Christmas) is a 1993 American stop-motion animated musical dark fantasy holiday film directed by Henry Selick (in his feature directorial debut) and produced and conceived by Tim Burton. It tells the story of Jack Skellington, the King of "Halloween Town" who stumbles upon "Christmas Town" and becomes obsessed with celebrating the holiday. Danny Elfman wrote the songs and score, and provided the singing voice of Jack. The principal voice cast also includes Chris Sarandon, Catherine O'Hara, William Hickey, Ken Page, Paul Reubens, Glenn Shadix, and Ed Ivory. The Nightmare Before Christmas originated in a poem written by Burton in 1982 while he was working as an animator at Walt Disney Productions. With the success of Vincent in the same year, Burton began to consider developing The Nightmare Before Christmas as 
Title: Masachika Ichimura
Content: The Nightmare Before Christmas (1993) - Jack Skellington ; Strings (2004) - Kahro ; The Man Who Invented Christmas (2018) - Ebenezer Scrooge 
Title: Chris Sarandon
Content:  also has had supporting parts in other successful movies such as the original Child's Play (1988). In 1992, he played Joseph Curwen/Charles Dexter Ward in The Resurrected. He also played Jack Skellington, the main character of Tim Burton's animated Disney movie The Nightmare Before Christmas (1993), and has since reprised the role in other productions, including the Disney/Square video games Kingdom Hearts and Kingdom Hearts II and the Capcom sequel to the original movie, Oogie's Revenge. Sarandon also reprised his role as Jack Skellington for several Disneyland Halloween events and attractions including; Halloween Screams, the Frightfully Fun Parade, and the Haunted Mansion Holiday, a three-month overlay of the 
Title: The Nightmare Before Christmas
Content:  one Christmas Town character: its ruler, Santa Claus, or "Sandy Claws" as Jack mistakenly calls him. Jack sequesters himself in his house to study Christmas further and find a way to rationally explain it. After studying and experimentation accomplish nothing, Jack ultimately decides that Christmas should be improved rather than understood and announces that Halloween Town will take over Christmas this year. Jack assigns the residents many Christmas-themed jobs, including singing carols, making presents, and building a sleigh pulled by skeletal reindeer. Sally, the feminine creation of local mad scientist Doctor Finklestein who secretly loves Jack, experiences a vision detailing that their efforts will end disastrously, but Jack dismisses this and assigns her 
Title: The Nightmare Before Christmas
Content:  Halloween Town is a fantasy world populated by various monsters and supernatural beings associated with the holiday. Jack Skellington, respected by the citizens as the "Pumpkin King", leads them in organizing the annual Halloween celebrations. However, this year, Jack has grown tired of the same annual routine and wants something new. Wandering in the woods the next morning, he encounters six trees containing doors leading to other holiday-themed worlds and stumbles into the one leading to Christmas Town. Awed by the unfamiliar holiday, Jack returns home to show his friends and neighbors his findings, but unaware of the idea of Christmas, they compare everything to their ideas of Halloween. However, they do relate 
Title: The Nightmare Before Christmas
Content:  Warren as Sally, Danny Burstein as Santa Claus and the Narrator, Nik Walker as Lock, Lesli Margherita as Shock and Rob McClure as Barrel. Rounding out the cast were Kathryn Allison, Jenni Barber, Erin Elizabeth Clemons, Fergie L. Phillipe, Jawan M. Jackson and Brian Gonzalez. In October 2021, Disney will host a live-to-film concert of Tim Burton's The Nightmare Before Christmas for two nights at LA's Banc of California Stadium on Oct. 29 and Oct. 31. The show will feature Billie Eilish singing as Sally and Danny Elfman reprising his role as Jack. "Weird Al" Yankovic and Ken Page are singing the roles of Lock and Oogie Boogie, respectively. The concert includes a full orchestra led by acclaimed conductor John Mauceri to perform the film's score and songs live.

Question: who plays jack skellington in nightmare before christmas?
Answer: Danny Elfman.
Chris Sarandon.