Horizon

Nicola Cook

Nicola Cook

Adriana Timco

Catherine Wyler

Andrew Blackwell

Paul Vaughan

Self - Narrator, Self - Commentator, Narrator, Self - Host

Jack Fortune

Self - Narrator

Dilly Barlow

Self - Narrator, Narrator

Colin Riach

Self - Presenter, Self - Narrator

Martin Jarvis

Self - Narrator

Bernard Hill

Self - Narrator

Michael Mosley

Self - Presenter, Self

Ian Holm

Self - Narrator

Steven Mackintosh

Self - Narrator

Hannah Fry

Self - Presenter, Self, Self - Presenter and Narrator

Christopher Chataway

Self - Commentator, Self - Narrator, Narrator

Andrew Sachs

Self - Narrator, Albert Einstein

John Shrapnel

Self - Narrator, Cyril Burt

Helen McCrory

Self - Narrator, Narrator, Self - Presenter

Kelly Hunter

Self - Narrator

Barbara Flynn

Self - Narrator, Narrator

Kevin Fong

Self - Presenter, Self, Self - expert on space medicine

Veronika Hyks

Self - Narrator, Narrator

Tim Pigott-Smith

Self - Narrator, Francis Crick

Juliet Stevenson

Self - Narrator, Rosalind Franklin

Nicola Cook

Catherine Wyler

Catherine Wyler