Thomas Alva 'Tom' Edison

Mickey Rooney

Acting

Samuel 'Sam' Edison

George Bancroft

Acting

Mrs. Samuel 'Nancy' Edison

Fay Bainter

Acting

Tannie Edison

Virginia Weidler

Acting

Mr. Nelson

Eugene Pallette

Acting

Mr. Dingle

Victor Kilian

Acting

Joe 'Joey' Dingle

Bobby Jordan

Acting

Dr. Pender

Lloyd Corrigan

Acting

Bill Edison

John Kellogg

Acting

Mr. Waddell

Clem Bevans

Acting

Miss Lavina Howard, School Teacher

Eily Malyon

Acting

Army Captain Brackett

Harry Shannon

Acting

Passenger Buying Maple Sugar

Ernie Adams

Acting

Woman Fainting at Downed Bridge

Maude Allen

Acting

Woman at Station

Jessie Arnold

Acting

Woman at Station

Polly Bailey

Acting

Red, Joe's Friend

Sherwood Bailey

Acting

Man at Dingle's Store

Jack Baxley

Acting

Bartender

John Beck

Acting

Telegrapher

Arthur Belasco

Acting

Train Passenger

Sammy Blum

Acting

Army Officer on Train

Stanley Blystone

Acting

Si Weaver

Wade Boteler

Acting

Mr. Briggs

Eddy Chandler

Acting

Man at Station

Jack Daley

Acting

Train Passenger

Leigh De Lacey

Acting

Man at Station

John Webb Dillion

Acting

Mrs. McCarney

Fern Emmett

Acting

Train Passenger

Budd Fine

Acting

Telegrapher (Indian Attack)

Olin Howland

Acting

Black Boy at Tree

Philip Hurlic

Acting

Man at Station

John Ince

Acting

Man at Station

Mitchell Ingraham

Acting

Baggage Man

Milton Kibbee

Acting

Train Passenger

Del Lawrence

Acting

McGuire - Train Engineer

Mitchell Lewis

Acting

Train Passenger

George Magrill

Acting

Man at Station

Wally Maher

Acting

Woman at Station

Claire McDowell

Acting

Woman at Station

Frances Morris

Acting

Bob

Emory Parnell

Acting

Train Engineer Miller

Lee Phelps

Acting

Mr. Tompkins

Victor Potel

Acting

Johnny, Joe's Friend

Mickey Rentschler

Acting

Train Passenger

Marion Sheldon

Acting

Boy at Tree

Buster Slaven

Acting

Frank Allen

Marvin Stephens

Acting

Army Officer

Harry Strang

Acting

Train Passenger

Forrest Taylor

Acting

Man Admiring Portrait of Thomas A. Edison

Spencer Tracy

Acting

Narrator (voice)

Frank Whitbeck

Acting

Mr. Hodge

Joe Whitehead

Acting

Man at Station

Al Thompson

Acting

Mr. McCarney

J.M. Kerrigan

Acting