Calificación
Reparto

Richard Feynman
Self (archive footage)

Joan Feynman
Self - Sister

Freeman Dyson
Self (archive footage)

Sean Carroll
Self - Theoretical Physicist, CALTECH

Leonard Mlodinow
Self - Author of 'Feynman's Rainbow'

Carl Feynman
Self - Son

Michelle Feynman
Self - Daughter

Richard Davies
Self - Physicist and friend

Marcus Chown
Self - Author and former Feynman student

Jirayr Zorthian
Self - Artist and friend

Danny Hillis
Self - Computer designer and friend

Albert Hibbs
Self - Mathematician and friend (archive footage)

Donald Kutyna
Self - General, US Airforce 1957-1992

Larry Mulloy
Self - NASA (archive footage)

Daniela Nardini
Narrator (voice)