Rosanna Arquette
Jill Rosen
Vincent Spano
Albert 'Sheik' Capadilupo
Joanna Merlin
Mrs. Rosen
Jack Davidson
Dr. Rosen
Nick Ferrari
Mr. Capadilupo
Dolores Messina
Mrs. Capadilupo
Leora Dana
Miss Vernon, Teacher
Bill Raymond
Mr. Ripeppi, Teacher
Sam McMurray
Mr. McManus, Teacher
Liane Curtis
Jody, High School Girl
Claudia Sherman
Beth, High School Girl
Marta Kober
Debra, High School Girl
Tracy Pollan
Leslie, College Girl
Rachel Dretzin
Shelly, College Girl
Susan Derendorf
Chris, College Girl
Frank Vincent
Vinnie
Robin Johnson
Joann
Gary McCleery
Rat
Matthew Modine
Steve
John Ferraro
Plasky
Phillip Brock
Biff
Merel Poloway
Miss Katz
Donnie Kehr
Barry
Michael E. Knight
Phillip
Robert Downey Jr.
Stewart
Brian Wry
Georgie
Richard Kantor
Curtis
Stephanie Keyser
Laura
Julie Philips
Karen
Frank Zagarino
Lew
Art Halperin
Band Leader
Caroline Aaron
Waitress
Jonathan Gero
Jack
Susan Busset
Prom Singer
Steven Reed
Prom Singer
Stephen Donato
Prom Singer
Fisher Stevens
Stage Manager
Robin Geller
Tripper