Cast
Matthew Broderick
Richard Feynman
Patricia Arquette
Arline Greenbaum
Peter Riegert
Mel Feynman
J
Jeffrey Force
Young Richard
D
David Drew Gallagher
Harold
Raffi Di Blasio
Robert
Josh Keaton
David
James Hong
Abacus Adder
M
Melissa DeLizia
Young Joan
Peter Michael Goetz
Dr. Gell-Mann
