What American actor received a posthumous credit for a Walt Disney film that was released on January 29, 1959?
Bob Amsberry: Robert Wayne Amsberry (June 2, 1928—November 21, 1957) was an American actor, and one of the original cast members on the first two seasons of Walt Disney's "The Mickey Mouse Club", working as both a writer and actor. Bob Amsberry:  Amsberry also worked as a voice actor, with a posthumous credit in Disney's "Sleeping Beauty" (1959). Sleeping Beauty (1959 film): Sleeping Beauty is a 1959 American animated musical fantasy film produced by Walt Disney based on "The Sleeping Beauty" by Charles Perrault. Sleeping Beauty (1959 film):  The 16th Disney animated feature film, it was released to theaters on January 29, 1959, by Buena Vista Distribution.
Robert Wayne Amsberry