In 1954, after she graduated, Puerto Rican television pioneer and producer Tommy Muñiz, offered her a role in his new program El Colegio de la Alegria.
During that decade Puerto Rico witnessed one of the largest labor disputes between the Actors Union and Tommy Muñiz Productions.
With ASTRA Productions Richardson found work in the televised programs Ahí va eso and Sin ton ni son.
During the three years that she spent in Mexico, she acted in: Richardson returned to Puerto Rico and in 1985 went to work in local theater productions.
She took part in Cecilia Valdes, Clemente (the musical), Cuando él es Guadalupe, Flor de Pesidio and Sirena.
With this new company she actively participated in the following shows and soap operas, Ellas al Mediodia, Ave de Paso (1988), La Isla and Yara Prohibida (1988).