John Harrison
Michael Gambon
Rupert Gould
Jeremy Irons
Dr. Bliss
Ian McNeice
Adm. Sir Cloudsley Shovell
Jonathan Coy
Capt. Ainsley
Christopher Hodsol
William Harrison (Young)
Liam Jennings
George Graham
Peter Vaughan
Sir Charles Pelham
Nigel Davenport
Christopher Irwin
Tim McInnerny
Capt. Proctor
John Standing
Army Doctor
Peter Cartwright
Sir Kenelm Digby
Stephen Fry
William Harrison (Adult)
Ian Hart
Capt. Bourke
Daragh O'Malley
Lt. Draper
Cliff Parisi
Waddington, Gould's solicitor
Michael Cochrane
Halley's Secretary
Tobias Menzies
Lt. Seward
Charles Edwards
Capt. Lindsay
Pip Torrens
Edmund Burke
T. P. McKenna
Dodo Gould
Barbara Leigh-Hunt
John Jefferies
Peter-Hugo Daly
Mr. Greene
John Normington
John Campbell
Andrew Scott
King George
Nicholas Rowe
Capt. Man
Roger Lloyd Pack
Roger Wills
Trevor Cooper
Grace Ingram
Lucy Akhurst
Surgeon
Peter Penry-Jones
Whiston
Mark Tandy
Queen Charlotte
Heike Makatsch
Arthur Mason
William Thomas
Lord Sandwich
Bill Nighy
Elizabeth Harrison
Gemma Jones
Sir Edmund Halley
John Wood
Muriel Gould
Anna Chancellor
Lord Morton
Brian Cox
Nevil Maskelyne
Samuel West
Executive Producer
Pippa Cross
Producer
Selwyn Roberts
Second Unit Director
Director
Charles Sturridge
Writer
Music
Geoffrey Burgon
Novel
Dava Sobel
Editor
Peter Coulson
Costume Design
Shirley Russell
Director of Photography
Peter Hannan
Makeup & Hair
Christine Beveridge
Production Design
Eileen Diss
Chris Lowe
Antony Root
Casting
Celestia Fox
Costume Supervisor
Richard Pointing
Storyboard Artist
John Greaves
Makeup Artist
Helen Barrett
Jeremy Woodhead