Will Arnett as Max the Magician with Elmo.
Will Arnett (b. 1970) is a Canadian born actor known for his work on television in Arrested Development, 30 Rock, and BoJack Horseman; and in films such as Blades of Glory, Let's Go to Prison, and The Brothers Solomon. He provided a voice in the American version of The Secret World of Arrietty from Disney and Studio Ghibli.
Arnett plays Max the Magician in Sesame Street Episode 4166 from Season 39 and the Ghost Host in Muppets Haunted Mansion.