杰伊·桑德斯

Jay O. Sanders

饰：Himself - Narrator

大卫·田纳特

David Tennant

饰：Himself - Narrator

Hamza Ripley

饰：Einstein

Robbert Dijkgraaf

饰：Himself

Clifford V. Johnson

饰：Himself

Janna Levin

饰：Herself

Saul Perlmutter

饰：Himself

Simon Schaffer

Simon Schaffer

饰：Self

基普·索恩

Kip Thorne

饰：Self

沃尔特·艾萨克森

Walter Isaacson

饰：Self