how the grinch stole christmas musical cast

The cast of the How the Grinch Stole Christmas musical includes Jim Carrey as the Grinch, Jeffrey Tambor as the Narrator, Molly Shannon as Betty Lou Who, Taylor Momsen as Cindy Lou Who, Christine Baranski as Martha May Who, and Bill Irwin as Max the Dog. The musical is written by Timothy Mason and the music is composed by Mel Marvin.