Cast

Spencer Tracy

Thomas A. Edison

Charles Coburn

General Powell

Lynne Overman

Bunt Cavatt

Rita Johnson

Mary Stilwell

Gene Lockhart

Mr. Taggart

Henry Travers

Ben Els

Felix Bressart

Michael Simon

Peter Godfrey

Ashton

Guy D'Ennery

Lundstrom

Byron Foulger

Edwin Hall

Crew

Image not Available

Bradbury Foote

Screenplay (Writing)

Clarence Brown

Director (Directing)

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Hugo Butler

Original Story (Writing)

Dore Schary

Original Story (Writing)

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Talbot Jennings

Screenplay (Writing)

Herbert Stothart

Music (Sound)