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Captain Esteban Pasquale, played by Basil Rathbone, is the main antagonist in "The Mark of Zorro" (1940). He is a corrupt and ruthless captain who terrorizes the people of California and seeks to marry Lolita Quintero, the daughter of Don Diego de la Vega (Zorro). Rathbone's portrayal of Pasquale is both menacing and charismatic, making him a memorable villain in the classic adventure film.