Information regarding the specific anime voice acting roles of Liliana in The Brave Frog and Senhora Teresa in The Twins at St. Clare's, as performed by Emília Silvestre, cannot be verified in available sources. However, a profile of her career can be assembled from other documented work.

Emília Silvestre is a Portuguese actress born in Porto on May 29, 1960. Her extensive career spans theatre, television, film, and voice dubbing. She graduated in Modern Languages and Literatures from the Faculty of Arts of the University of Porto and has also worked as a acting teacher at institutions such as the Academia Contemporânea do Espetáculo and the Escola Superior de Música e das Artes do Espetáculo.

Silvestre began her professional theatre career in 1973 with the Seiva Trupe company and joined the Teatro Experimental do Porto the following year, where she remained until 1986. Her television work includes roles in Portuguese series such as Os Andrades, Laços de Sangue, and Poderosas. In cinema, she appeared in the film Terra Fria.

In the field of voice dubbing, a notable role for Emília Silvestre was providing the European Portuguese voice for the title character in the anime series Anne of Green Gables (1979). In this dub, the character was named Ana Silvestre, sharing the actress's surname. Her other documented dubbing work includes projects such as My Little Pony: A Amizade é Mágica, A Chamada dos Gnomos, and Gasparzinho.

For her contributions to culture, Silvestre was awarded the Medal of Cultural Merit, Gold Degree, by the Porto City Council in 2001. In 2007, she received a Special Mention Prize from the Portuguese Theatre Critics Association for her career achievements.