As the residents of the Pi Kappa Sigma sorority house prepare for the festive season, a stranger begins to harass them with a series of obscene phone calls.

• August Films
• Film Funding Ltd. of Canada
• Olivia Hussey
• John Saxon
• Andrea Martin
• Bob Clark
• Marian Waldman
• Margot Kidder
• Keir Dullea
• James Edmond