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Pamela Sue Martin as Abby |
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Betsy Slade as Muffy |
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Parker Stevenson as Michael |
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George O'Hanlon, Jr. as Malcolm |
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Karen Balkin as Laura |
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Debralee Scott as Ann |
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Nora Heflin as Emmy |
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Kathryn Holcomb as Helen |
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Roderick Cook as Headmaster |
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Edith Atwater as Mrs. Pendleton |
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Marijane Maricle as Miss Picard |
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Meg Wyllie as Nurse |
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Mary Jackson as Miss Moran |
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Carol Arthur as Gym Teacher |
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Hope Summers as Biology Teacher |
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Jerry Hardin as Mr. Keats |
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Robert Walden as Frank |
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Luke Andreas as Marge |
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Darrell Zwerling as Dr. Madden |
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Lou Frizzell as Dr. Freeman |
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Michael Gray as Buzzy |
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Helene Winston as Mrs. H |
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Helen Baron as Mrs. Reed |
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Cliff Emmich as Hotel Clerk |
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Herbert Nelson as Minister |
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James Brodhead as St. Ambrose Headmaster |
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Christopher Man as David |
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Diana Webster as Mrs. Clairmont |
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Ron Kolman as Jamie Clairmont |
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Bob Harks as Party Guest (uncredited) |
| Production | Richard A. Roth | Producer |
| Sound | Michel Legrand | Original Music Composer |
| Camera | Jules Brenner | Director of Photography |
| Editing | James Mitchell | Editor |
| Art | Peter Wooley | Art Direction |
| Art | Charles Pierce | Set Decoration |
| Directing | Leslie Moulton | Assistant Director Trainee |
| Art | John Alvin | Other |
| Sound | Kevin F. Cleary | Other |
| Sound | Michel Legrand | Conductor |
| Sound | Jerry MacDonald | Music Editor |
| Sound | Ethmer Roten | Musician |
| Directing | Lynn A. Aber | Script Supervisor |
| Art | John Rozman | Swing |
| Directing | Peter Hyams | Director |
| Writing | Jane Stanton Hitchcock | Writer |