John Michael Dias (alt Frankie Valli), Jeremy Kushnier (Tommy Devito), Michael Ingersoll (Nick Massi), Jake Speck (u/s Bob Gaudio), Jenny Lee Ramos (Mary Delgado), Craig Laurie (Bob Crewe), Jonathan Weir (Gyp De Carlo), Steven M Goldsmith (Joey), Dominic Bogart (Norm Waxman), Lauren Marshall (Lorraine), Kara Tremel (u/s Francine), Rashad Naylor (Hal Miller), Ryan Quinn West (Hank Majewski)