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