Movies:
- "La Ciénaga" (2001): Blum plays the role of Mecha in this Argentine drama directed by Lucrecia Martel.
- "Kamchatka" (2002): She appears in this Argentine-Spanish drama film directed by Marcelo Piñeyro.
- "The Son of the Bride" (2001): Blum plays the character of Rosa in this Argentine comedy-drama directed by Juan José Campanella.
- "Blessed by Fire" (2005): She appears in this Argentine historical drama film directed by Tristán Bauer.
- "The Aura" (2005): Blum plays the role of Ester in this Argentine horror-thriller directed by Fabián Bielinsky.
Television:
- "Gasoleros" (1998-2000): Blum had a recurring role as Doña Lidia in this Argentine comedy-drama television series.
- "Campeones de la vida" (1999-2000): She played the role of Mercedes in this Argentine sports-comedy television series.
- "Sos mi vida" (2006-2007): Blum portrayed the character of Nieves in this Argentine telenovela.
- "Montecristo" (2006): She appeared in this Argentine telenovela as Victoria Sáenz Valiente.
- "Valientes" (2009-2010): Blum played the role of Isabel in this Argentine drama television series.
- "Sos mi hombre" (2012): She portrayed the character of Elsa in this Argentine comedy-drama television series.
- "Farsantes" (2013-2014): Blum played the role of Blanca Vidal in this Argentine drama television series.