Guy Frederick Ecker (born February 9, 1959) is a American - Brazilian actor better known for his work in telenovelas. Ecker became a household name in Latin America for his portrayal of Sebastián Vallejo in the Colombian telenovela Café, con aroma de mujer. A second Colombian production, Guajira also proved successful. In 1998, he moved to Mexico and won his first leading role in a Mexican telenovela, playing opposite Kate del Castillo in the telenovela La Mentira, which also became a huge success. Leading roles in Salomé and Heridas de Amor followed. American viewers may be familiar with him through his work on the television show Las Vegas as Detective Luis Perez (who is killed in the Iraq War).