Elf The Musical, based on the 2003 motion picture starring Will Ferrell, will be performed at 7 p.m. Nov. 21-23, with matinees at 2 p.m. Nov. 23-24. The show, which includes members of the community and Cal U students, will be performed in the Mainstage Theatre of Steele Hall at California University of Pennsylvania. The hilarious fish-out-of-water comedy follows Buddy the Elf in his quest to find his true identity.