Answer
The two lead characters in "Butch Cassidy and the Sundance Kid" are Butch Cassidy and Sundance Kid. Butch Cassidy is the leader of the Hole in the Wall Gang, a group of outlaws who rob banks and trains in the American West. Sundance Kid is Cassidy's best friend and right-hand man. The film follows the two outlaws as they try to evade capture by the law.