Overview
The story, set in San Francisco, depicts the adventures of Allison Sydney Harrison, a high-school student who teams with her wealthy private-detective father David Harrison to solve crimes. In the pilot, Allison and David team to solve the murder of a beautiful woman. The prime suspect is their chauffeur, Pat Rosetti.
| Actor | Age then | Age now | |
|---|---|---|---|
 | 17 | 59 | |
 | 35 | 77 | |
 | 28 | 71 | |
 | 43 | December 1, 2016 (76) | |
 | 66 | January 5, 1982 (64) | |
 | 40 | November 25, 1997 (54) | |
 | 49 | October 3, 2021 (87) | |
 | 37 | 79 | |
 | 34 | 76 | |
 | 54 | May 5, 2009 (80) |