Parallel stories: 18th century Harrison builds the marine chronometer for safe navigation at sea; 20th century Gould is obsessed with restoring it.
as John Harrison
as Rupert Gould
as William Harrison (Adult)
as John Campbell
as Lord Sandwich
as Elizabeth Harrison
as Sir Edmund Halley
as Muriel Gould
as Lord Morton
as Nevil Maskelyne
as Dr. Bliss
as Adm. Sir Cloudsley Shovell
as Capt. Ainsley
as William Harrison (Young)
as George Graham
as Sir Charles Pelham
as Christopher Irwin
as Capt. Proctor
as Army Doctor
as Sir Kenelm Digby
as Capt. Bourke
as Lt. Draper
as Waddington, Gould's solicitor
as Halley's Secretary
as Lt. Seward
as Capt. Lindsay
as Edmund Burke
as Dodo Gould
as John Jefferies
as Mr. Greene
as King George
as Capt. Man
as Roger Wills
as Grace Ingram
as Surgeon
as Whiston
as Queen Charlotte
as Arthur Mason