Young Tom Edison

Mickey Rooney

Thomas Alva 'Tom' Edison

Acting

George Bancroft

Samuel 'Sam' Edison

Acting

Fay Bainter

Mrs. Samuel 'Nancy' Edison

Acting

Virginia Weidler

Tannie Edison

Acting

Eugene Pallette

Mr. Nelson

Acting

Victor Kilian

Mr. Dingle

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Bobby Jordan

Joe 'Joey' Dingle

Acting

Lloyd Corrigan

Dr. Pender

Acting

John Kellogg

Bill Edison

Acting

Clem Bevans

Mr. Waddell

Acting

Eily Malyon

Miss Lavina Howard, School Teacher

Acting

Harry Shannon

Army Captain Brackett

Acting