Richard Feynman
Self (archive footage)
Acting
Joan Feynman
Self - Sister
Acting
Freeman Dyson
Self (archive footage)
Acting
Sean Carroll
Self - Theoretical Physicist, CALTECH
Acting
Leonard Mlodinow
Self - Author of 'Feynman's Rainbow'
Writing
Carl Feynman
Self - Son
Acting
Michelle Feynman
Self - Daughter
Acting
Richard Davies
Self - Physicist and friend
Acting
Marcus Chown
Self - Author and former Feynman student
Acting
Jirayr Zorthian
Self - Artist and friend
Acting
Danny Hillis
Self - Computer designer and friend
Acting
Albert Hibbs
Self - Mathematician and friend (archive footage)
Acting
Donald Kutyna
Self - General, US Airforce 1957-1992
Acting
Larry Mulloy
Self - NASA (archive footage)
Acting
Daniela Nardini
Narrator (voice)
Acting