Sultry college dropout Annie Burroughs moves in with her older sister Marsha and proceeds to break up the relationship between Marsha and her live-in boyfriend David Mitchell so Annie can begin a sensuous love affair and have David all for herself.
| Actor | Role |
|---|---|
 Phoebe CatesAnnie Burroughs | Annie Burroughs |
 Ted WassDavid Mitchell | David Mitchell |
 Pamela BellwoodMarsha Burroughs | Marsha Burroughs |
 Efrem Zimbalist Jr.Tom Burroughs | Tom Burroughs |
 Virginia KiserMrs. Strauss | Mrs. Strauss |
 Jill JacobsonJessie | Jessie |
 Eb LottimerBuddy | Buddy |
| EEd HooksCounselor | Counselor |
 Ta-TanishaNight Nurse | Night Nurse |
 Julie MannixNurse | Nurse |
 Herb MitchellMr. Girard | Mr. Girard |
| NNatalie RothSusie Girard | Susie Girard |
 Tom JordanFrank | Frank |
 Thomas F. DuffyMichael Fancher | Michael Fancher |
 Ruth KobartMrs. Clark | Mrs. Clark |
 Shizuko HoshiMrs. Chang | Mrs. Chang |
| TTiffany ToyoshimaLittle Girl | Little Girl |
| AAlbert LordHarold Silverthorne | Harold Silverthorne |
| DDean DittmanMr. Webb | Mr. Webb |
 Pilar Del ReyRose | Rose |
| AAudrey PressmanInstructor | Instructor |
| AAdrian AronWaitress | Waitress |