Longitude

Parallel stories: 18th century Harrison builds the marine chronometer for safe navigation at sea; 20th century Gould is obsessed with restoring it.

Jeremy Irons

Rupert Gould

Michael Gambon

John Harrison

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