史蒂芬·霍金

Stephen Hawking

饰：Himself

Mac MacDonald

饰：Himself

Ugo Amaldi

饰：Self,1 episode, 1995,

肯·坎贝尔

Ken Campbell

饰：Self - Presenter,1 episode, 1995,

Ian Stewart

Ian Stewart

饰：Self,1 episode, 1995,

Julian Barbour

饰：1 episode, 1995

罗杰·彭罗斯

Roger Penrose

饰：1 episode, 1995