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