Name	Known for
Bernard Hill Self - Narrator (voice) Self - Narrator (voice) See fewer	The Lord of the Rings: The Return of the King (2003)
Joseph Giaime Self - Observatory Head, LIGO (as Prof Joe Giaimi) Self - Observatory Head, LIGO (as Prof Joe Giaimi) See fewer	Science Club (2012)
Michio Kaku Self - The City College of New York (as Prof. Michio Kaku) Self - The City College of New York (as Prof. Michio Kaku) See fewer	Accidental Truth: UFO Revelations (2023)
Andrei Linde Self - Stanford University (as Prof Andrei Linde) Self - Stanford University (as Prof Andrei Linde) See fewer	Horizon (I) (1964)
Laura Mersini-Houghton Self - University of North Carolina (as Dr Laura Mersini-Houghton) Self - University of North Carolina (as Dr Laura Mersini-Houghton) See fewer	Horizon (I) (1964)
Bob Nichol Self - University of Portsmouth (as Prof Bob Nichol) Self - University of Portsmouth (as Prof Bob Nichol) See fewer	Science Club (2012)
Roger Penrose Self - Oxford University (as Prof Sir Roger Penrose) Self - Oxford University (as Prof Sir Roger Penrose) See fewer	Einstein's Universe (1979)
Param Singh Self - The Perimeter Institute (as Dr Param Singh) Self - The Perimeter Institute (as Dr Param Singh) See fewer	Horizon (I) (1964)
Lee Smolin Self - The Perimeter Institute (as Prof Lee Smolin) Self - The Perimeter Institute (as Prof Lee Smolin) See fewer	Horizon (I) (1964)
Neil Turok Self - The Perimeter Institute (as Prof Neil Turok) Self - The Perimeter Institute (as Prof Neil Turok) See fewer	Science Club (2012)