Ryan Molloy (Frankie Valli), Ben Wheeler (u/s Tommy Devito), Eugene McCoy (Nick Massi), Stephen Ashfield (Bob Gaudio), Jayde Westaby (Mary Delgado), Simon Adkins (Bob Crewe), Stuart Milligan (Gyp De Carlo), Jye Frasca (Joey), Joseph Prouse (Norm Waxman), Charlie Bull (Lorraine), Michelle Francis (Francine), Paul Iveson (u/s Billy Dixon), Ben Evans (u/s Hal Miller), Michael Conway (u/s Hank Majewski)