Eric R. Laithwaite

饰：Himself - Presenter

Heinz Wolff

饰：Himself - Presenter

George Porter

饰：Himself - Presenter

E.M. Rogers

饰：Himself - Presenter

E. Christopher Zeeman

饰：Himself - Presenter

G.G. Gouriet

饰：Himself - Presenter

大卫·爱登堡

David Attenborough

饰：Himself - Presenter

R.V. Jones

饰：Himself - Presenter

Leonard Maunder

饰：Himself - Presenter

Walter Bodmer

饰：Himself - Presenter

David Pye

饰：Himself - Presenter

Lewis Wolpert

饰：Himself - Presenter

John Meurig Thomas

饰：Himself - Presenter

Malcolm S. Longair

饰：Himself - Presenter

理查德·道金斯

Richard Dawkins

饰：Himself - Presenter

Charles J.M. Stirling

饰：Himself - Presenter

Frank Close

饰：Himself - Presenter

Susan Greenfield

饰：Herself - Presenter

Simon Conway Morris

饰：Himself - Presenter

Nancy Rothwell

饰：Herself - Presenter

Richard L. Gregory

饰：自己

菲利普·莫里森

Philip Morrison

饰：自己

卡尔·萨根

Carl Sagan

饰：Self - Presenter

Colin Blakemore

Colin Blakemore

饰：Self - Presenter

道格拉斯·亚当斯

Douglas Adams

饰：Self

Ian Stewart

Ian Stewart

饰：Self - Presenter