Michael Watson (Frankie Valli), Jon Boydon (Tommy Devito), Matt Nalton (Nick Massi), Stuart King (u/s Bob Gaudio), Nicola Brazil (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), Ben Jennings (u/s Hal Miller), Tom Senior (u/s Hank Majewski)