Okay for Sound [470603] Released: 1946-09-07 Revenue: $0 Budget: $0 Profit: $0 Runtime: 20 mins Popularity: 0.2987 Vote Average: 5 Vote Count: 1 Overview: 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. Cast [29] John BarrymoreDon Juan James CagneyTommy Powers 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 AstorAdriana 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 Trailers