Sergio Jiménez (December 17, 1937 – January 3, 2007) 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 worked too in his own "actor's studio" that he operated with actress Adriana Barraza (nominated for the oscar as a support actress for Babel). Because of this a lot of mexican actors called him: "El Profe" (the teacher). He was born in Mexico City.