Wealthy widower Richard Keaton engages young widow Elizabeth 'Liz' Guinness as the 4th consecutive nanny for his pre-teen, equally science-devoted son Andrew, with instructions to disturb neither. She learns of mother Alycia's fatal fall, an official suicide but was probably murder. Dad keeps Andy at a distance, so he draws towards Liz. Real danger starts when Richard's brother, novelist Blain, arrives with his friend Jillian, to sell the ancestral estate against Richard's will.
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| Directing | Charles Jarrott | Director |
| Writing | Joe Wiesenfeld | Writer |
| Production | Norman Denver | Producer |
| Sound | Charles T. Cozens | Original Music Composer |
| Camera | Robert Fresco | Director of Photography |
| Editing | Bruce Lange | Editor |
| Art | Harold Thrasher | Production Design |
| Art | Mario Mercuri | Art Direction |
| Art | Jerri Thrasher | Set Decoration |
| Costume & Make-Up | Sharon Purdy | Costume Design |
| Costume & Make-Up | Marie Nardella | Makeup Artist |
| Costume & Make-Up | Reg Quindinho | Hairstylist |
| Directing | Woody Sidarous | First Assistant Director |
| Art | Woody Stewart | Property Master |
| Sound | Anthony Lancett | Sound Effects Editor |
| Sound | Ron Proulx | Music Supervisor |
| Directing | Anna Rane | Script Supervisor |
| Production | Nancy Wilson-Kelly | Production Coordinator |
| Sound | Steven Toepell | Dialogue Editor |
| Sound | Bill McMillan | Sound Recordist |
| Production | Jana Veverka | Executive Consultant |
| Writing | Lisa Gardner | Novel |
| Production | Noreen Halpern | Supervising Producer |
| Production | Jean Desormeaux | Supervising Producer |
| Production | Clare Walker | Local Casting |
| Production | Lena Cordina | Production Manager |
| Art | Steven Essam | Lead Set Dresser |
| Camera | Mark Silver | Key Grip |
| Lighting | David Fisher | Gaffer |
| Production | Robin Brinsmead | Location Manager |
| Crew | Glen Avigdor | Transportation Coordinator |
| Editing | Craig Webster | Assistant Editor |
| Sound | Rick Ellis | Sound Re-Recording Mixer |
| Sound | Tim Archer | Sound Re-Recording Mixer |
| Sound | Gary Daprato | Foley Artist |
