Name	Known for
Sam Blackburn Self - Hawking assistant Self - Hawking assistant See fewer	Stephen Hawking: Master of the Universe (2008)
Bill Clinton Self (archive footage) Self (archive footage) See fewer	The President Is Missing
Hillary Clinton Self (archive footage) (as Hillary Rodham Clinton) Self (archive footage) (as Hillary Rodham Clinton) See fewer	State of Terror (I)
Judith Croasdell Self - Hawking assistant Self - Hawking assistant See fewer	Hawking (2013)
Michael B. Green Self - University of Cambridge Self - University of Cambridge See fewer	Stephen Hawking: Master of the Universe (2008)
Stephen Hawking Self Self See fewer	Star Trek: The Next Generation (1987)
Michio Kaku Self - City University, New York (as Dr. Michio Kaku) Self - City University, New York (as Dr. Michio Kaku) See fewer	Accidental Truth: UFO Revelations (2023)
Lisa Randall Self - Harvard University Self - Harvard University See fewer	Nova (1974)
John Schwarz Self - California Institute of Technology Self - California Institute of Technology See fewer	Stephen Hawking: Master of the Universe (2008)
Nigel Whitmey Narrator (voice) (as Nigel Whitney) Narrator (voice) (as Nigel Whitney) See fewer	Black Earth Rising (2018)
Edward Witten Self - Institute of Advanced Studies Self - Institute of Advanced Studies See fewer	Stephen Hawking: Master of the Universe (2008)