Name	Known for
Samuel West Self - Narrator (voice) Self - Narrator (voice) See fewer	Howards End (1992)
Dan Bauer Self Self See fewer	Horizon (I) (1964)
Pedro Ferreira Self - University of Oxford (as Prof Pedro Ferreira) Self - University of Oxford (as Prof Pedro Ferreira) See fewer	Stephen Hawking: Master of the Universe (2008)
Carlos Frenk Self - University of Durham (as Prof Carlos Frenk) Self - University of Durham (as Prof Carlos Frenk) See fewer	Horizon (I) (1964)
Alan Guth Self - Massachusetts Institute of Technology (as Prof Alan Guth) Self - Massachusetts Institute of Technology (as Prof Alan Guth) See fewer	Nova (1974)
Sasha Kashlinsky Self Self See fewer	Horizon (I) (1964)
João Magueijo Self Self See fewer	O Fascínio das Histórias (2019)
Saul Perlmutter Self Self See fewer	How the Universe Works (2010)
Kathy Romer Self - University of Sussex (as Dr Kathy Romer) Self - University of Sussex (as Dr Kathy Romer) See fewer	Horizon (I) (1964)
Max Tegmark Self - Massachusetts Institute of Technology (as Prof Max Tegmark) Self - Massachusetts Institute of Technology (as Prof Max Tegmark) See fewer	Life 3.0