Tim Driesen (Frankie Valli), Stephen Webb (Tommy Devito), Lewis Griffiths (Nick Massi), Sam Ferriday (Bob Gaudio), Amelia Adams-Pearce (Mary Delgado), Matt Gillett (Bob Crewe), Sean Kingsley (Gyp De Carlo), Damian Buhagiar (Joey), Dominic Smith (Norm Waxman), Leanne Garretty (Lorraine), Sinead Long (Francine), Nathaniel Morrison (Hal Miller), Henry Davis (Hank Majewski)