Self (archive footage)

Richard Feynman

Acting

Self - Sister

Joan Feynman

Acting

Self (archive footage)

Freeman Dyson

Acting

Self - Theoretical Physicist, CALTECH

Sean Carroll

Acting

Self - Author of 'Feynman's Rainbow'

Leonard Mlodinow

Writing

Self - Son

Carl Feynman

Acting

Self - Daughter

Michelle Feynman

Acting

Self - Physicist and friend

Richard Davies

Acting

Self - Author and former Feynman student

Marcus Chown

Acting

Self - Artist and friend

Jirayr Zorthian

Acting

Self - Computer designer and friend

Danny Hillis

Acting

Self - Mathematician and friend (archive footage)

Albert Hibbs

Acting

Self - General, US Airforce 1957-1992

Donald Kutyna

Acting

Self - NASA (archive footage)

Larry Mulloy

Acting

Narrator (voice)

Daniela Nardini

Acting