Some great cameos! Author George RR Martin, Grant Imahara from Mythbusters and Bobak Ferdowsi who really works at NASA.
Shout by MiradwynBlockedParentSpoilers2015-07-23T03:17:49Z
Some great cameos! Author George RR Martin, Grant Imahara from Mythbusters and Bobak Ferdowsi who really works at NASA.