Plot
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.
Trailer
Trailer's not available.
Cast
John Barrymore
Don Juan (archive footage)
James Cagney
Tommy Powers (archive footage)
Anna Case
Thomas A. Edison
Mischa Elman
William H. Hays
Al Jolson
Giovanni Martinelli
Edward G. Robinson
Roy Smeck
Marion Talley
Jack L. Warner
Efrem Zimbalist Sr.
Violinist
Mary Astor
Adriana (archive footage)
Harold Bauer
Truman Bradley
Jack Carson
Dane Clark
John Garfield
Paul Henreid
Davey Lee
John Litel
Ida Lupino
Dennis Morgan
Franklin D. Roosevelt
Ann Sheridan
Alexis Smith
Kent Smith
Martha Vickers
