Ryan Molloy (Frankie Valli), Ben Wheeler (u/s Tommy Devito), Eugene McCoy (Nick Massi), James Winter (u/s Bob Gaudio), Lucinda Gill (u/s Mary Delgado), Simon Adkins (Bob Crewe), Stuart Milligan (Gyp De Carlo), Jye Frasca (Joey), Joseph Prouse (Norm Waxman), Charlie Bull (Lorraine), Michelle Francis (Francine), Tommie Earl Jenkins (Hal Miller), Michael Conway (u/s Hank Majewski)