Okay for Sound
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
John Barrymore
James Cagney
Anna Case
Thomas A. Edison
Mischa Elman
William H. Hays
Al Jolson
Giovanni Martinelli
Edward G. Robinson