Joshua Ilan Gad (born February 23, 1981) is an American actor. He is known for voicing Olaf in the Frozen franchise, playing Elder Arnold Cunningham in the Broadway musical The Book of Mormon, and playing Le Fou in the live-action adaptation of Disney's Beauty and the Beast. For his role as Olaf, Gad won two Annie Awards, and for his work in The Book of Mormon, he co-won a Grammy Award for Best Musical Theater Album and received a Tony Award nomination for Best Actor in a Musical, both shared with Andrew Rannells as one of the two leading artists. (Via Wikipedia)