Guillermo Rivas Rowlatt (December 25, 1926 – March 19, 2004) was a Mexican character actor known for portraying "El Borras" in the Telesistema Mexicano sitcom Los Beverly de Peralvillo (1968–1973).
Born in the Buenos Aires neighbourhood of Béccar, Rivas learned his tennis at Club San Fernando, inspired by Guillermo Vilas's 1977 US Open triumph, when Rivas was 13.
Guillermo Rivas Rowlatt (December 25, 1927 – March 19, 2004) was a Mexican character actor known for portraying "El Borras" in the Telesistema Mexicano sitcom Los Beverly de Peralvillo.