Soto's first role as an actress was in the short film La Vida Blanca, which she co-produced with then-ex-husband Jack Hartnett, who wrote and directed as well. For the role, she received her first award for Best Actress. Soto then had supporting roles in films such as: "Divina Confusion", Deep In The Valley and Dinner for Schmucks. She starred in Venevisión's telenovelas in collaboration with Univision; Eva Luna (2010–2011) as Eva Gonzalez and El Talismán (2012) as Camila Nájera. Soto starred with Fernando Colunga in Juan Osorio's telenovela; Porque el amor manda which was broadcast in Mexico from 2012-2013.
In 2003, she was married to Bill for 8 months. He died of cancer in 2004. Soto married American actor, Jack Hartnett in 2006. She announced their separation on November 17, 2011 via her Twitter account.