Ryan Molloy (Frankie Valli), Glenn Carter (Tommy Devito), Mark Isherwood (u/s 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), Madeleine Harland (Francine), Mark Carroll (Billy Dixon), Tommie Earl Jenkins (Hal Miller), James Winter (Hank Majewski)