Matthew BroderickRichard Feynman / Režisér / Producent Patricia ArquetteArline Greenbaum Jeffrey ForceYoung Richard David Drew GallagherHarold Melissa DeLiziaYoung Joan Peter Michael GoetzDr. Gell-Mann Mary Pat GleasonCounty Nurse #2 Joyce Van PattenAunt Ruth James Le GrosJohn Wheeler Joshua MalinaCalculator Kid #3 Matthew BroderickRichard Feynman / Režisér / Producent Patricia BroderickScénář / Producent Philip EulingSpoluproducent Philippe CalandVýkonný producent Bernt Amadeus CapraProduction Design Susan BenjaminSet Decoration Toyomichi KuritaDirector Of Photography Mary Jane FortCostume Design Theo MayesKey Hair Stylist Peggy NicholsonHairstylist Angela MoosKey Makeup Artist Rosemary ZurloMakeup Artist Marc WielageDigital Colorist Bruce BroughtonHudební skladatel 
