Matthew Broderick
Richard Feynman
Patricia Arquette
Arline Greenbaum
Peter Riegert
Mel Feynman
Jeffrey Force
Young Richard
David Drew Gallagher
Harold
Raffi Di Blasio
Robert
Josh Keaton
David
James Hong
Abacus Adder
Melissa DeLizia
Young Joan
Peter Michael Goetz
Dr. Gell-Mann
Kelly Wolf
Nurse Kate
Mary Pat Gleason
County Nurse #2
Joyce Van Patten
Aunt Ruth
James LeGros
John Wheeler
Zeljko Ivanek
Bill Price
Joshua Malina
Calculator Kid #3
Matt Mulhern
Gate Guard
Crew
Matthew Broderick
Director
Matthew Broderick
Producer
Patricia Broderick
Producer
Joel Soisson
Producer
Bruce Broughton
Original Music Composer
Lisa Bankert
Casting
Patricia Broderick
Screenplay
Toyomichi Kurita
Director of Photography
Elena Maganini
Editor
Bill Johnson
Editor
Amy Young
Editor
Bernt Amadeus Capra
Production Design
Jeff Schell
Art Direction
Mary Jane Fort
Costume Design
Marc Wielage
Digital Colorist
Richard Feynman
Author
Ralph Leighton
Author
Philippe Caland
Executive Producer
Philip Euling
Associate Producer
Michael Leahy
Producer
Susan Benjamin
Set Decoration
Theo Mayes
Key Hair Stylist
Angela Moos
Key Makeup Artist
Peggy Nicholson
Hairstylist
Rosemary Zurlo
Makeup Artist
Don Phillips
Co-Producer