Actors

Matthew Broderick

Actor

Richard Feynman

Patricia Arquette

Actor

Arline Greenbaum

Actor

Mel Feynman

Actor

Young Richard

David Drew Gallagher

Actor

Harold

Raffi Di Blasio

Actor

Robert

Actor

David

Actor

Abacus Adder

Melissa DeLizia

Production

Young Joan

Peter Michael Goetz

Actor

Dr. Gell-Mann

Actor

Nurse Kate

Mary Pat Gleason

Actor

County Nurse #2

Joyce Van Patten

Actor

Aunt Ruth

Actor

John Wheeler

Actor

Bill Price

Actor

Calculator Kid #3

Actor

Gate Guard