| Katharine Ross | Joanna Eberhart |
| Paula Prentiss | Bobbie Markowe |
| Peter Masterson | Walter Eberhart |
| Nanette Newman | Carol Van Sant |
| Tina Louise | Charmaine Wimpiris |
| Carol Eve Rossen | Dr. Fancher |
| William Prince | Ike Mazzard |
| Carole Mallory | Kit Sunderson |
| Toni Reid | Marie Axhelm |
| Judith Baldwin | Patricia Cornell |
| Director | Bryan Forbes |
| Producer | Gustave M. Berne; Roger M. Rothstein |
| Writer | Ira Levin; William Goldman |
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