Guest Stars Michio Kaku as Himself (Michio Kaku, Ph.D. - Physicist, CUNY) Travis Taylor as Himself (Travis Taylor, Ph.D. - Astrophysicist / Aerospace Engineer) Nick Pope as Himself (Nick Pope - U.K. Ministry of Defence (1985-2006)) Michael Dennin as Himself (Michael Dennin, Ph.D. - Physicist, Univ. of California, Irvine) Seth Shostak as Himself (Seth Shostak, Ph.D. - Senior Astronomer, SETI Institute) Amy Shira Teitel as Herself (Amy Shira Teitel - Author, Breaking The Chains of Gravity) Maggie Aderin-Pocock as Herself (Maggie Aderin-Pocock, Ph.D. - Author, The Book of The Moon)
