Walter Donovan is the main antagonist of the 1989 action-adventure film Indiana Jones and the Last Crusade, the third installment in the Indiana Jones film series.
He was a wealthy American industrialist and collector of antiquities who allied himself with the Nazis in order to get the Holy Grail, which he sought for its fabled gift of immortality. Assisted by Ernst Vogel and Elsa Schneider, Donovan ends up in conflict with Indiana Jones, Henry Jones, Sallah and Marcus Brody in order to gain the Holy Grail.
He was portrayed by Julian Glover, who also played General Veers in Star Wars: Episode V – The Empire Strikes Back, Aris Kristatos in For Your Eyes Only, Aragog in Harry Potter and the Chamber of Secrets and Pycelle in Game of Thrones.