加来道雄

Michio Kaku

饰：自己

麦克斯·泰格马克

Max Tegmark

饰：自己

Luke Crowe

饰：Self - Science Enthusiast

Robert Hazen

Robert Hazen

饰：Self - Carnegie Institution of Washington

Scott Mitchell Nelson

饰：Camper (2008)

Clifford V. Johnson

饰：Self - Professor Physics & Astronomy, University of Southern California

Ed Moses

饰：Self - Principal Associate Director, NIF

Frank Todaro

饰：Self - Guest

Phil Crowley

饰：Narrator

Anthony Lacques

饰：Narrator