伊安·斯图瓦特

Iain Stewart

饰：自己

Mark Boslough

Mark Boslough

饰：Self - Sandia National Laboratories,(as Dr Mark Boslough)

Monica Grady

Monica Grady

饰：Self - The Open University,(as Prof Monica Grady)

Matt Genge

饰：Self - Imperial College London,(as Dr Matthew Genge)

Marek Kukula

饰：Self - Royal Observatory Greenwich,(as Dr Marek Kukula)

Sarah Russell

饰：Self - Natural History Museum,(as Prof Sara Russell)