 "I, Don Quixote" starred, in addition to Cobb, Colleen Dewhurst (in her first major role) as Aldonza/Dulcinea, Eli Wallach as Cervantes' manservant as well as Sancho Panza, and Hurd Hatfield as Sanson Carrasco as well as a character called The Duke.Miguel de Cervantes and his manservant have been thrown into a dungeon by the Spanish Inquisition for an offense against the Church.In the dungeon, a mock trial is staged, with its intention being that the prisoners rob Cervantes of all of his possessions, including a precious manuscript that he refuses to give up.