Young Tom Edison

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

Dore Schary Screenplay Norman Taurog Director Cedric Gibbons Art Direction