‘Big Bang Theory’ Star Jim Parsons Joins NBC’s ‘Elf’ Special

Jim Parsons is getting his elf on.

“The Big Bang Theory” star has been cast in the title voice role in NBC’s upcoming special “Elf: Buddy’s Musical Christmas.”

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Parsons will voice the part of Buddy in the hour-long, stop-motion animated special, which is based on the 2003 movie “Elf” and the Broadway show “Elf: The Musical.” The special will air Dec. 16 at 8 p.m.

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In the NBC show, Santa narrates the story of Buddy’s travels to New York City to meet the father he never knew he had. Along the way, Buddy’s unrelenting cheer transforms the lives of everyone he meets and opens his father’s eyes to the magic of Christmas.

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Parsons joins a cast that includes Mark Hamill, Ed Asner, Fred Armisen, Jay Leno, Matt Lauer, Gilbert Gottfried, Kate Micucci, Rachael MacFarlane, Max Charles and Steve Higgins.

The special will include nine songs, including “Happy All the Time,” “A Christmas Song” and “Nobody Cares About Santa Claus.”

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Warner Bros. Animation is producing, with Mark Caballero and Seamus Walsh directing. Thomas Meehan and Bob Martin, and Aaron Horvath and Michael Jelenic, wrote the teleplay.