Ryan Molloy (Frankie Valli), Jon Boydon (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), Zara Warren (u/s Francine), Michael Conway (u/s Hal Miller), James Winter (Hank Majewski)