Young Tom Edison

Mitchell Ingraham as Man at Station Lee Phelps as Train Engineer Miller Victor Potel as Mr. Tompkins Al Thompson as Man at Station Fern Emmett as Mrs. McCarney Fay Bainter as Mrs. Samuel 'Nancy' Edison Eugene Pallette as Mr. Nelson Victor Kilian as Mr. Dingle Bobby Jordan as Joe 'Joey' Dingle Philip Hurlic as Black Boy at Tree John Ince as Man at Station Eddy Chandler as Mr. Briggs Wade Boteler as Si Weaver Milton Kibbee as Baggage Man Harry Strang as Army Officer J.M. Kerrigan as Mr. McCarney George Bancroft as Samuel 'Sam' Edison Ernie Adams as Passenger Buying Maple Sugar Stanley Blystone as Army Officer on Train Mitchell Lewis as McGuire - Train Engineer Budd Fine as Train Passenger Olin Howland as Telegrapher (Indian Attack) George Magrill as Train Passenger Claire McDowell as Woman at Station Mickey Rentschler as Johnny, Joe's Friend Buster Slaven as Boy at Tree Mickey Rooney as Thomas Alva 'Tom' Edison Lloyd Corrigan as Dr. Pender Frances Morris as Woman at Station Emory Parnell as Bob Spencer Tracy as Man Admiring Portrait of Thomas A. Edison Virginia Weidler as Tannie Edison John Kellogg as Bill Edison Clem Bevans as Mr. Waddell Eily Malyon as Miss Lavina Howard, School Teacher Sherwood Bailey as Red, Joe's Friend Sammy Blum as Train Passenger Harry Shannon as Army Captain Brackett Jessie Arnold as Woman at Station Marvin Stephens as Frank Allen Forrest Taylor as Train Passenger

Norman Taurog Director Cedric Gibbons Art Direction Dore Schary Screenplay