Honored at a banquet for his sixty-year career as an inventor, scientist, and businessman, 89-year-old Thomas Alva Edison reflects on his long and illustrious career. His achievements include the stock market ticker, the phonograph, the light bulb, and the motion picture. Cast: - Spencer Tracy as Thomas Alva Edison - Rita Johnson as Mary Stillwell - Lynne Overman as James J. 'Bunt' Cavatt - Charles Coburn as General Powell - Gene Lockhart as Mr. Taggart - Henry Travers as Ben Els - Felix Bressart as Michael Simon, Edison's assistant - Peter Godfrey as Bob Ashton - Guy D'Ennery as Lundstrom - Byron Foulger as Edwin Hall - Milton Parsons as 'Acid' Graham Runtime: 107 minutes