Kerry Butler (Clio/Kira), Cheyenne Jackson (Sonny), Tony Roberts (Danny Maguire/Zeus), Whoopi Goldberg (Calliope/Aphrodite), Andre Ward (u/s Melpomene/Medusa), Jacob Ben Widmar (u/s Thalia/Siren/Young Danny/'80s Singer/Cyclops), Kate Loprest (u/s Euterpe/Siren/'40s Singer/Thetis), Kenita R Miller (Erato/Siren/'40s Singer/Eros/Hera), Marty Thomas (u/s Terpsicore/Siren/'80s Singer/Hermes/Centaur)