Ryan Molloy (Frankie Valli), Glenn Carter (Tommy Devito), Philip Bulcock (Nick Massi), Kieran Jae (u/s Bob Gaudio), Suzy Bastone (Mary Delgado), Simon Adkins (Bob Crewe), Stuart Milligan (Gyp De Carlo), Jye Frasca (Joey), Joseph Prouse (Norm Waxman), Ashley Elizabeth Hale (Lorraine), Michelle Bishop (u/s Francine), Tommie Earl Jenkins (Hal Miller), James Winter (Hank Majewski)