Overview
Parallel stories: 18th century Harrison builds the marine chronometer for safe navigation at sea; 20th century Gould is obsessed with restoring it.
Cast
- Michael Gambon as John Harrison
- Jeremy Irons as Rupert Gould
- Ian Hart as William Harrison (Adult)
- Andrew Scott as John Campbell
- Bill Nighy as Lord Sandwich
- Gemma Jones as Elizabeth Harrison
- John Wood as Sir Edmund Halley
- Anna Chancellor as Muriel Gould
- Brian Cox as Lord Morton
- Samuel West as Nevil Maskelyne