Jon Lee (alt 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), Dan Burton (Joey), Jake Samuels (Norm Waxman), Charlie Bull (Lorraine), Trina Hill (Francine), Mark Carroll (Billy Dixon), Tommie Earl Jenkins (Hal Miller), Chris Gardner (Hank Majewski)