布莱恩·考克斯

Brian Edward Cox

饰：(as Professor Brian Cox)

利兹·博宁

Liz Bonnin

饰：Self - Presenter

Lewis Dartnell

饰：Self - University College London

Linda Spilker

饰：(as Linda Spilker)

达拉·奥布莱恩

Dara O'Briain

饰：Self - Presenter

John Grotzinger

饰：Self - Caltech

Marek Kukula

饰：(as Dr Marek Kukula)

Chris Lintott

饰：Self

布赖恩·梅

Brian May

饰：Self

Adam Steltzner

饰：(as Dr Adam Steltzner)