Background
His most notable film was Citizen Kane (1941), in which he appears as Junior, Charles Foster Kane III, the eight-year-old son of Charles Foster Kane and his first wife, Emily.
His most notable film was Citizen Kane (1941), in which he appears as Junior, Charles Foster Kane III, the eight-year-old son of Charles Foster Kane and his first wife, Emily.
Born Moyer MacClaren Bupp in New York City, Sonny Bupp was the brother of actors Tommy Bupp (1924–1983), June Bupp (1913–1989) and Ann Bupp (b 1922). He appeared in over 60 films during his career, including two Our Gang comedies, 1935"s Our Gang Follies of 1936 and 1938"s Men in Fright. He served in the United States. Army during World World War II and, after his film career ended, became an auto industry executive.
He died in Henderson, Nevada, aged 79, from undisclosed causes.
Bupp was the last surviving credited member of the Citizen Kane cast at his death. He appeared in Citizen Kane as the son of Charles Foster Kane, and was the last surviving credited cast member of that film.