Joan Collins as Diane

Michael Morgan as Tommy

Shell Kepler as Lisa

Lanny Horn as Ralph

Erin Donovan as Sheila

Lee Purcell as Ms. Jackson

Carrie Snodgress as Dr. Delingua

Wings Hauser as Reddog

Joy Michael as Diane at 16

Newell Alexander as Mr. Stern

Mel Welles as Doctor

Betty Thomas as Reddog's Secretary

Michelle Bauer as Dream Groupie (uncredited)

Annie Ample as Fantasy Nurse (uncredited)

Barbara Peckinpaugh as Magazine Model (uncredited)