History Documentary
This short was released in connection with the 20th anniversary of Warner Brothers' first exhibition of the Vitaphone sound-on-film process on 6 August 1926. The film highlights Thomas A. Edison and Alexander Graham Bell's efforts that contributed to sound movies and acknowledges the work of Lee De Forest. Brief excerpts from the August 1926 exhibition follow. Clips are then shown from a number of Warner Brothers features, four from the 1920s, the remainder from 1946/47.
Dennis Morgan
Edward G. Robinson
James Cagney
Tommy Powers (archive footage)
Alexis Smith
Ida Lupino
John Litel
Kent Smith
Franklin D. Roosevelt
John Barrymore
Don Juan (archive footage)
Mary Astor
Adriana (archive footage)
Ann Sheridan
Paul Henreid
Jack Carson
Dane Clark
John Garfield
Martha Vickers
William H. Hays
Al Jolson
Truman Bradley
Giovanni Martinelli
Davey Lee
Marion Talley
Mischa Elman
Anna Case
Roy Smeck
Efrem Zimbalist Sr.
Violinist
Harold Bauer

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