Characters played by Neil deGrasse Tyson
Self
Characters played by Bill Nye
Self
Characters played by Ann Druyan
Self
Characters played by Heather Berlin
Self
Characters played by Ken Ham
Self
Characters played by Joe Bastardi
Self
Characters played by Eugenie C. Scott
Self
Characters played by James White
Self
Characters played by Francis Collins
Self - Director
National Institutes of Health
Characters played by Michael E. Mann
Self