Guest Stars Ron Funches voices King Shark James Adomian voices Bane Tisha Campbell voices Tawny Young Giancarlo Esposito voices Lex Luthor Rachel Dratch voices Nora Freeze James Wolk voices Superman / Clark Kent Ben Levin voices Captain Cold Jeannie Tirado voices Volcana Janeane Garofalo voices Signora/Mama Larissa Gallagher voices Receptionist Larissa Gallagher voices Italian Boy Eric Morgan Stuart voices Scientist