Jay McMahon

饰：Himself - Narrator

Osman Bakar

饰：Himself - Professor

Michel Baudry

饰：Himself - Professor

Jean-Jacques Cassiman

饰：Himself - Professor of Human Genetics

L. Stephen Coles

饰：Himself - Gerontology Research Group

Yang Dan

饰：Herself - Professor

Sadaputa Dasa

饰：Himself - Author

Thomas B. DeMarse

饰：Himself - Researcher

Anne Foerst

饰：Herself - Professor of Theology & Computer Science

Erin D. Green

饰：Himself - Professor

Mark Humayun

饰：Himself - Professor

伊恩·布鲁玛

Ian Buruma

饰：Himself - Writer

Hugo De Garis

Hugo De Garis

饰：Himself - A.I. Researcher

奥布里·德·格里

Aubrey de Grey

饰：Himself - Author

Terence McKenna

饰：自己

Ted Kaczynski

饰：Self,(archive footage)

Raymond Kurzweil

饰：Self - Futurist

Max More

饰：Self - Transhumanist

Marvin Minsky

饰：Self - Cognitive Scientist

Hans Moravec

饰：Self - Roboticist

Gregory Stock

饰：Self - Biophysicist

Frank Tipler

饰：Self - Professor

Robert Anton Wilson

饰：Self - Author