Jye Frasca (u/s Frankie Valli), Glenn Carter (Tommy Devito), Philip Bulcock (Nick Massi), Stephen Ashfield (Bob Gaudio), Laura Brydon (u/s Mary Delgado), Graham Vick (u/s Bob Crewe), Ben Wheeler (u/s Gyp De Carlo), Paul Ayres (u/s Joey), Joseph Prouse (Norm Waxman), Amy Pemberton (Lorraine), Michelle Francis (Francine), Tommie Earl Jenkins (Hal Miller), Griffin Stevens (Hank Majewski)