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. 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.