Name	Known for
Matthew Zajac Self - Narrator Self - Narrator See fewer	Valhalla Rising (2009)
Dave Wark Self - University of Sussex Self - University of Sussex See fewer	Equinox (1986)
Ruth Durrer Self - University of Geneva Self - University of Geneva See fewer	MTW - Menschen Technik Wissenschaft (1975)
John Baldwin Self - University of Cambridge Self - University of Cambridge See fewer	Equinox (1986)
João Magueijo Self - Imperial College Self - Imperial College See fewer	O Fascínio das Histórias (2019)
Richard Ellis Self - University of Cambridge Self - University of Cambridge See fewer	Naked Science (2004)
Andy Albrecht Self - University of California Self - University of California See fewer	Nova (1974)
John Webb Self - University of New South Wales Self - University of New South Wales See fewer	Equinox (1986)
Albert Einstein Self (archive footage) Self (archive footage) See fewer	Schooling the World (2010)
Albert Michelson Self - American Scientist (archive footage) Self - American Scientist (archive footage) See fewer
Edward Morley Self - American Scientist (archive footage) Self - American Scientist (archive footage) See fewer