Peter Hyams Director, Screenwriter Pamela Sue Martin Abigail (Abby) Reed Actor Parker Stevenson Michael Actor Betsy Slade Muffy Actor George O'Hanlon Jr. Malcolm Actor Roderick Cook Headmaster Actor Meg Wyllie Nurse Actor Michael Gray Buzzy Knight Actor Karen Balkin Laura Actor Debralee Scott Ann Alden Actor Nora Heflin Emmy Actor Kathryn Holcomb Helen Connery Actor Mary Jackson Miss Moran Actor Hope Summers Biology Teacher Actor Carol Arthur Gym Teacher Actor Jerry Hardin Keats Actor Robert Walden Frank Actor Jane C. Stanton Screenwriter Richard A. Roth Producer Jules Brenner Cinematographer James Mitchell Film Editing Michel Legrand Original Music Peter Wooley Art Director