Lady Waltham is the minor villain in The Legend of Tarzan. She was voiced by Amanda Donohoe. She was the younger sister of Clayton. She appeared in the episode "Tarzan and the Gauntlet of Vengeance" only once. Born and raised in England, Lady Waltham grew up with her brother, Clayton. After they were adults, Clayton travelled to Africa to serve as a mentor and defender for Archimedes Q. Porter and Jane, his daughter. Waltham found out later that her brother had apparently been killed by Tarzan, a "savage man." Before leaving for Africa with her valet, she obtained information about Tarzan from a sailor and developed a hatred and revenge obsession.