© 2026 The Couch Critic
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Parallel stories: 18th century Harrison builds the marine chronometer for safe navigation at sea; 20th century Gould is obsessed with restoring it.
38 Cast Members
Michael Gambon
John Harrison
Jeremy Irons
Rupert Gould
Ian Hart
William Harrison (Adult)
Andrew Scott
John Campbell
Bill Nighy
Lord Sandwich
Gemma Jones
Elizabeth Harrison
John Wood
Sir Edmund Halley
Anna Chancellor
Muriel Gould
Brian Cox
Lord Morton
Samuel West
Nevil Maskelyne
Ian McNeice
Dr. Bliss
Jonathan Coy
Adm. Sir Cloudsley Shovell
Christopher Hodsol
Capt. Ainsley
Liam Jennings
William Harrison (Young)
Peter Vaughan
George Graham
Nigel Davenport
Sir Charles Pelham
Tim McInnerny
Christopher Irwin
John Standing
Capt. Proctor
Peter Cartwright
Army Doctor
Stephen Fry
Sir Kenelm Digby
