Fan Casting Conan O'Brien as Mayor Augustus MayWho in How the Grinch Stole Christmas (2010)

Conan O'Brien is known for his roles in The Secret Life of Walter Mitty, The Lego Batman Movie, and Now You See Me. He has been suggested by fans for 426 roles on myCast, including Vlad Vladikoff in Dr. Seuss' Horton Hears A Who! (2020s). Similar actors include Jim Carrey, Bill Hader, and Jack Black. Conan O'Brien was suggested to play Mayor Augustus MayWho in How the Grinch Stole Christmas (2010) by liamdude5. Other actors sugggested to play this role include Alan Rickman. How the Grinch Stole Christmas (2010) has 24 roles, including The Grinch, Max (vocal effects), and Cindy Lou Who.