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Sergio Jiménez (December 17, 1937 – January 3, 2007), born in Mexico City, was a Mexican actor who became famous after portraying the character of El Gato in the film Los caifanes. His last work was directing the telenovela La fea más bella. Sergio also worked in his "actor's studio" that he operated with actress Adriana Barraza (nominated for an Oscar as Best Supporting Actress for Babel). He is known in the Mexican community as "El Profe" (the teacher).