Movies
* El Infierno (2010) - A powerful and acclaimed film about the brutal realities of organized crime in Mexico, where Guerra plays the role of a fierce matriarch.
* Amores Perros (2000) - An internationally recognized film that showcased Mexican cinema to the world. Guerra had a supporting role, but it was her performance in this film that brought her international recognition.
* Y tu Mamá También (2001) - Another critically acclaimed Mexican film. Guerra plays a character who is a bit mysterious, a strong woman with an independent spirit.
* La Mujer de mi Hermano (2005) - A dramatic film that explores the complexities of love, betrayal, and family ties. Guerra takes on the role of a grieving widow.
* El Crimen del Padre Amaro (2002) - A controversial film that tackles the themes of religion, morality, and power. Guerra plays the part of a complex and captivating character.
* Rudo y Cursi (2008) - A fun and light-hearted comedy where Guerra plays a supporting role.
Television
* Capadocia (2008-2012) - A critically acclaimed Mexican series that delves into the dark and difficult world of a women's prison. Guerra has a lead role as the strong and determined head of the prison.
* La Tempestad (2013) - A popular Mexican telenovela that explores the themes of love, revenge, and family secrets. Guerra plays a complex and dramatic character.
* El Hotel de los Secretos (2016) - Another popular Mexican telenovela where Guerra plays a supporting character.
* Mujeres Asesinas (2008) - A Mexican anthology series that explores the dark side of human nature and the stories of women who commit murder. Guerra played a memorable role in one of the episodes.
This is not an exhaustive list, but it covers some of Blanca Guerra's most significant and notable works. She has also appeared in numerous other films, television shows, and theater productions throughout her career.