Michael Watson (alt Frankie Valli), Ben Wheeler (u/s Tommy Devito), Matt Nalton (Nick Massi), Edd Post (Bob Gaudio), Lucinda Gill (u/s Mary Delgado), Sean Mulligan (Bob Crewe), Graham Vick (Gyp De Carlo), Matt Thorpe (Joey), Matthew Hunt (Norm Waxman), Emma Stephens (Lorraine), Sophie Carmen-Jones (Francine), Mark Isherwood (u/s Hal Miller), Stuart King (Hank Majewski)