Ηθοποιοί επεισοδίου
Diane MorganPhilomena Cunk
Jim Al-KhaliliSelf - Professor of Public Engagement in Science
Douglas HedleySelf - Professor of the Philosophy of Religion
Shirley J. ThompsonSelf - Composer / Professor of Music, University of Westminster
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Martin AndrewsSelf - Printing Historian
Martin KempSelf - Professor Emeritus of the History of Art
Gus Casely-HayfordSelf - Director, V&A East
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Sara TaglialagambaSelf - Leonardo Da Vinci Expert and Scholar, Da Vinci Museum
Kathleen BurkSelf - Professor Emerita of Modern and Contemporary History
Catriona SethSelf - Marshal Foch Professor of French Literature
Kieran HodgsonB8-Hoven (voice)
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John GoldupGalileo