Ryan Molloy (Frankie Valli), Jon Boydon (Tommy Devito), Eugene McCoy (Nick Massi), Chris Gardner (u/s 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), Gemma Whitelam (u/s Francine), Tommie Earl Jenkins (Hal Miller), Michael Conway (u/s Hank Majewski)