达拉·奥布莱恩

Dara O'Briain

饰：自己 Self

Alok Jha

饰：Himself - Reporter

Helen Czerski

饰：Herself - Reporter

Tali Sharot

饰：Herself - Reporter

理查德·福提

Richard Fortey

饰：自己

马克·米奥多尼克

Mark Andrew Miodownik

饰：Self - Reporter

艾德·伯恩

Ed Byrne

饰：Self - Special Guest

Steve Jones

饰：Self - University College London

乔什·维迪科姆

Josh Widdicombe

饰：Self - Special Guest

加来道雄

Michio Kaku

饰：Self - City College of New York

麦克斯·泰格马克

Max Tegmark

饰：Self - MIT

Imogen Heap

饰：Self

马丁·里斯

Martin Rees

饰：Self - University of Cambridge

马克·斯蒂尔

Mark Steel

饰：Self - Special Guest

Seth Shostak

饰：Self - SETI Institute

Concetta Tomaino

饰：Self - Beth Abraham Hospital

Iain D. Couzin

饰：Self - Princeton University

Lewis Dartnell

饰：Self - UK Space Agency

Karl Deisseroth

饰：Self - Stanford University

马库斯·布里斯托克

Marcus Brigstocke

饰：Self - Special Guest

詹姆斯·梅

James May

饰：Self - Special Guest

Molly Crockett

饰：Self - UCL

Bruce Hood

Bruce Hood

饰：Self - Special Guest

Uta Frith

饰：Self - University College London

Janna Levin

饰：Self - Columbia University

杰西卡·海因斯

Jessica Hynes

饰：Self - Special Guest

吉姆·艾尔-哈利利

Jim Al-Khalili

饰：Self

Alexis Kirke

饰：Self

Simon Conway Morris

饰：Self - University of Cambridge

Mark Post

饰：Self - University of Maastricht

John Sulston

饰：Self - University of Manchester

Mitch Altman

饰：Self - Inventor and Hacker

Doris Taylor

饰：Self - Texas Heart Center