Matt Corner (Frankie Valli), Mark Isherwood (u/s Tommy Devito), Matthew Hunt (Nick Massi), Declan Egan (Bob Gaudio), Nicola Brazil (Mary Delgado), Mark Dugdale (Bob Crewe), Mark Heenehan (Gyp De Carlo), Will Haswell (Joey), Joe Maxwell (Norm Waxman), Nicky Griffiths (Lorraine), Helen Ternent (Francine), Stuart Dawes (Billy Dixon), Nathaniel Morrison (Hal Miller), Dan O'Brian (Hank Majewski)