Cory Grant (alt Frankie Valli), Dominic Nolfi (u/s Tommy Devito), J Robert Spencer (Nick Massi), Sebastian Arcelus (Bob Gaudio), Heather Ferguson (u/s Mary Delgado), Peter Gregus (Bob Crewe), Mark Lotito (Gyp De Carlo), Travis Cloer (Joey), Donnie Kehr (Norm Waxman), Erica Piccininni (Lorraine), Sara Schmidt (Francine), Kris Coleman (Hal Miller), Eric Gutman (Hank Majewski)