Helen HayesLucille Jefferson Robert WalkerJohn Jefferson Frank McHughFather O'Dowd Richard JaeckelChuck Jefferson Jimmie DundeeTaxi Driver (uncredited) Douglas EvansGovernment Employee (uncredited) Nancy HaleNurse (uncredited) Sam HarrisProfessor at Graduation Ceremony (uncredited) Todd KarnsBedford (uncredited) Leo McCareyJohn Jefferson (voice) (uncredited) / Regisseur / Screenplay / Producer Lee MillerPoliceman at Shooting Scene (uncredited) David NewellFBI Agent (uncredited) Vera StokesSecretary (uncredited) Fred SweeneyCleaner (uncredited) Margaret WellsNurse (uncredited) Leo McCareyJohn Jefferson (voice) (uncredited) / Regisseur / Screenplay / Producer William FlanneryArt Direction Harry Stradling Sr.Director Of Photography Wally WestmoreMakeup Artist Alvin GanzerAssistant Director Robert Emmett DolanOriginal Music Composer Robert Russell BennettOrchestrator Gene MerrittSound Recordist Gene GarvinSound Recordist Gordon JenningsVisual Effects Farciot EdouartVisual Effects 
