PHOTO CALL: Randy Harrison, Morgan James, Jason Michael Snow, Courtney Balan and Nancy Anderson Heat Up 54 Below With The Skivvies

The Skivvies were joined by Randy Harrison, Morgan James, Jason Michael Snow, Nancy Anderson and more during the March 14 performance of their One Giant Leaf for Mankind concert.

The 11 PM concert on March 14 featured Harrison ( Wicked), Jason Michael Snow ( Book of Mormon), Morrison ( Nerds), James ( Motown), Nancy Anderson ( Far from Heaven), Asmeret Ghebremichael ( The Book of Mormon) and Courtney Balan ( Cry-Baby).

Actor-musicians Lauren Molina ( Sweeney Todd, Marry Me a Little) and Nick Cearley ( All Shook Up) are the duo behind The Skivvies, known for their acoustic performances of pop songs, wearing nothing but their underwear. Molina, Cearley and their guests play instruments ranging from the cello, ukulele, guitar and glockenspiel to the melodica.

Check out videos from The Skivvies' recent 54 Below engagement.