Himself (Archive Footage)
Richard Feynman
Herself - Sister
Joan Feynman
Himself (Archive Footage)
Freeman Dyson
Himself - Theoretical Physicist, CALTECH
Sean Carroll
Himself - Author of 'Feynman's Rainbow'
Leonard Mlodinow
Himself - Son
Carl Feynman
Herself - Daughter
Michelle Feynman
Himself - Physicist and friend
Richard Davies
Author and former Feynman student
Marcus Chown
Himself - Artist and friend
Jirayr Zorthian
Himself - Computer designer and friend
Danny Hills
Himself - Mathematician and friend (Archive Footage)
Al Hibbs