Dayle Hodge (alt. Frankie Valli), Declan Egan (Bob Guardio), Simon Bailey (Tommy Devito), Peter Nash (u/s Nick Massi), James Alexander Gibbs (Joe Pesci & Others), Joel Elferink (Bob Crewe & Others), Mark Heenehan (Gyp DeCarlo & Others), Karl James Wilson (Norm Waxman & Others), Arnold Mabhena (Barry & Others), Phoebe May Newman (Francine & Others), Olive Robinson (Lorraine & Others), James Winter (Hank Majewski & Others), Tara Young (Mary Delgado & Others)