Dan Burton (u/s Frankie Valli), Jon Boydon (Tommy Devito), Eugene McCoy (Nick Massi), Matthew Wycliffe (Bob Gaudio), Nicola Brazil (Mary Delgado), Howard Jones (Bob Crewe), Stuart Milligan (Gyp De Carlo), Mark Isherwood (u/s Joey), Jake Samuels (Norm Waxman), Charlie Bull (Lorraine), Trina Hill (Francine), Mark Carroll (Billy Dixon), Ben Jennings (u/s Hal Miller), Ben Wheeler (u/s Hank Majewski)