Joey Dee
— Joey Dee
Jo-Ann Campbell
— Piper
Teddy Randazzo
— Rickey Dee
Kay Armen
— Angie
Zohra Lampert
— Sharon
Dino Di Luca
— Papa
Hope Hampton
— Hope Hampton
Richard Dickens
— Rore
Allan Arbus
— Doctor (uncredited)
Placida Armijo
— Peppermint Club Dancer (uncredited)
Marc Alan Austen
— Peppermint Club Dancer (uncredited)
Adriano Celentano
— Cantante (uncredited)
Sally Kirkland
— Peppermint Club Dancer (uncredited)
Dawn Nickerson
— Girlfriend of One of the Starlighters (uncredited)
Joe Pesci
— Peppermint Club Dancer (uncredited)
Joseph Rigano
— Vinnie (uncredited)
The Starliters
— The Starliters
The Peppermint Loungers
— The Peppermint Loungers
Dave Brigati
— Dave Brigati