Kasper Michaels

饰：自己

罗伯·贝尔

Rob Bell

饰：自己

Lynette Nusbacher

饰：自己

索尔·戴维

Saul David

饰：自己

Steven Kearney

Andrew Gough

饰：Self - Historian and Author

Lucie Green

饰：Self - Solar Physicist

Andrew Lambert

Andrew Lambert

饰：Self - Professor, Naval Historian

Dougal Jerram

饰：Self - Earth Scientist

Claire Barratt

饰：Self - Engineer

Klint Janulis

饰：Self - Host

Shini Somara

饰：Self - Engineer

Geoffrey Wawro