Movies:
* Muchachas de uniforme (1971) - This was her breakout role, which launched her career.
* El amor tiene cara de mujer (1971) - This was her first lead role in a film.
* La piel de la bestia (1972) - Another film featuring Dosamantes in a leading role.
* El monasterio de los buitres (1973) - She played the character of Dolores.
* El juego de la muerte (1976) - This film was directed by Sergio Corbucci.
* El secuestro de una mujer (1981) - She played the character of Silvia.
* La ley del silencio (1981) - This was her final film role before she transitioned to television.
Television:
* Muchachas de uniforme (1971) - This was Dosamantes' first role in a telenovela.
* El amor tiene cara de mujer (1971) - This was another early telenovela role for Dosamantes.
* Los ricos también lloran (1979) - A very successful telenovela, she played the role of "Mariana Villarreal".
* Corazón salvaje (1993) - This telenovela was a popular remake of a classic, she played the character of "Doña Beatriz".
* Alguna vez tendremos alas (1997) - Dosamantes had a role in this telenovela.
* Abrázame muy fuerte (2000) - This was another successful telenovela where she played the character of "Soledad".
* La intrusa (2001) - She appeared in this telenovela.
* Rebelde (2004-2006) - This popular teen telenovela had Dosamantes playing the character of "Natalia."
Other:
* "Susana" (1979-1983) - This was a comedy show hosted by Dosamantes.
Dosamantes had a very successful career in both movies and television, and her roles often had her playing strong and elegant characters. It's important to note that this is not an exhaustive list, and there are likely other projects she participated in throughout her career.