[3] In that same year she also appeared in Clínica con música, in the role of a sexologist, along with an ensemble cast made up of Moria Casán, Marta Bianchi, Carlos Perciavalle, Antonio Gasalla, Alberto Anchart and Roberto Escalada.

In 1976, Stefani acted in the role of Victoria in the comedy La Aventura explosiva, with Ricardo Bauleo, Víctor Bó and Julio de Grazia.

In 1978, she starred in three films, Con mi mujer no puedo, along with Guillermo Bredeston, Leonor Benedetto and Javier Portales, Yo también tengo fiaca and Broken Comedy, with Gianni Lunadei and Elsa Daniel.

In 1980, Stefani acted in the Argentine cult comedy ¡Qué linda es mi familia!, alongside Niní Marshall, Luis Sandrini and Palito Ortega.

In 1985, she participated in El telo y la tele, with Moria Casán, Emilio Disi, Jorge Martínez, Carmen Barbieri, Tristán, Silvia Pérez, Javier Portales, Haydée Padilla, Adrián Martel, Luisa Albinoni and Guillermo Francella.