Cast Principale
Mickey Rooney
Thomas Alva 'Tom' Edison
George Bancroft
Samuel 'Sam' Edison
Fay Bainter
Mrs. Samuel 'Nancy' Edison
Virginia Weidler
Tannie Edison
Eugene Pallette
Mr. Nelson
Victor Kilian
Mr. Dingle
Bobby Jordan
Joe 'Joey' Dingle
Lloyd Corrigan
Dr. Pender
John Kellogg
Bill Edison
Clem Bevans
Mr. Waddell
Eily Malyon
Miss Lavina Howard, School Teacher
Harry Shannon
Army Captain Brackett
