She was crowned Miss Costa Rica in 1978 and participated in Miss Universe in the same year.
Nude Roles in Movies: El bronco 1982 , Las traigo muertas 1987 , Macho que ladra no muerde 1984 , Pedro Navaja 1984 , Terror y encajes negros 1985 , Un Instante para morir 1993 , Un hombre violento 1986.
In 1980, she appeared in her first television show, alongside Loco Valdes.
She was crowned Miss Costa Rica in 1978 and participated in Miss Universe in the same year.
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Guardia was elected Miss Costa Rica in 1978, going on to represent her birth country at the Miss World and Miss Universe contests.