Ray Kurzweil

Himself

Leon Panetta

Himself

Richard A. Clarke

Himself

Bill McKibben

Himself

David Chalmers

Himself

Wolfe Singer

Himself

Christine Peterson

Herself

Christof Koch

Himself

Alison Gopnik

Herself

Peter Norvig

Himself

Ben Goertzel

Himself

Eliezer Yudkowsky

Himself

Aubrey de Grey

Himself

Barney Pell

Himself

Ralph Merkle

Himself

Doug Wolens