Cast
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
