
The fascinating story of John Harrison who, in the 18th century, believed he could make a clock that would work on board a ship—and so solve the problem of finding longitude at sea.

as Army Doctor

as Edmund Burke

as Rear Admiral

as Admiral Clowdisley

as Captain Ainsley

as Staff Nurse

as Nurse

as Minister for the Navy

as Sir Charles Pelham

as Young William

as Cecil Gould

as Estate Manager

as Edmund Halley

as Ditton

as Whiston

as Sir Kenelm Digby

as Halley's Secretary

as Observatory Porter

as Dyson's Secretary

as George Graham

as Society Lady

as James Harrison

as Admiral Wagner

as Lt. Draper

as Lt. Bertie

as John Campbell

as Captain Proctor

as Admiral Balchen

as Roger Wills

as Lt. Knorvler

as Arthur Mason

as Captain Man

as Jos Killick

as Dr. Bradley

as Solicitor