Jye Frasca (alt Frankie Valli), Jon Boydon (Tommy Devito), Eugene McCoy (Nick Massi), Stephen Ashfield (Bob Gaudio), Jayde Westaby (Mary Delgado), Simon Adkins (Bob Crewe), Mark Carroll (Gyp De Carlo), Ben Evans (Joey), Joseph Prouse (Norm Waxman), Lucinda Gill (Lorraine), Michelle Francis (Francine), James Winter (Hank Majewski)