Matt Corner (alt 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), Luke Morton (u/s Norm Waxman), Leanne Garretty (Lorraine), Sinead Long (Francine), Nathaniel Morrison (Hal Miller), Henry Davis (Hank Majewski)