Jon Lee (alt Frankie Valli), Jon Boydon (Tommy Devito), Eugene McCoy (Nick Massi), Chris Gardner (u/s Bob Gaudio), Nicola Brazil (Mary Delgado), Edd Post (u/s Bob Crewe), Stuart Milligan (Gyp De Carlo), Ben Jennings (u/s Joey), Jake Samuels (Norm Waxman), Lucinda Gill (u/s Lorraine), Trina Hill (Francine), Mark Carroll (Billy Dixon), Tommie Earl Jenkins (Hal Miller), Michael Conway (u/s Hank Majewski)