Overview
Parallel stories: 18th century Harrison builds the marine chronometer for safe navigation at sea; 20th century Gould is obsessed with restoring it.
| Actor | Age then | Age now | |
|---|---|---|---|
 | 59 | September 27, 2023 (82) | |
 | 51 | 76 | |
 | 35 | 60 | |
 | 23 | 48 | |
 | 50 | 75 | |
 | 57 | 82 | |
 | 69 | August 6, 2011 (81) | |
 | 34 | 60 | |
 | 53 | 79 | |
 | 33 | 59 |