Young Tom Edison

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

Norman Taurog Director Dore Schary Screenplay Cedric Gibbons Art Direction