Ryan Molloy (Frankie Valli), Jon Boydon (Tommy Devito), Eugene McCoy (Nick Massi), Chris Gardner (u/s Bob Gaudio), Nicola Brazil (Mary Delgado), Howard Jones (Bob Crewe), Stuart Milligan (Gyp De Carlo), Dan Burton (Joey), Jake Samuels (Norm Waxman), Charlie Bull (Lorraine), Trina Hill (Francine), Tommie Earl Jenkins (Hal Miller), Michael Conway (u/s Hank Majewski)