Joseph Leo Bwarie (alt Frankie Valli), Bryan McElroy (Tommy Devito), Jeff Leibow (Nick Massi), Andrew Rannells (Bob Gaudio), Joyce Chittick (Mary Delgado), Jonathan Hadley (Bob Crewe), Ken Krugman (Gyp De Carlo), Jonathan Gerard Rodriguez (Joey), Jason Martinez (Norm Waxman), Julia Krohn (Lorraine), Natalie Bradshaw (Francine), John Salvatore (Billy Dixon), Michael James Scott (Hal Miller), Kristofer McNeeley (Hank Majewski)