Vidal was 14 years old when she acted in the theatre series Oye Willie and later on made her feature debut with a small role in Delivery Boys.

[2][3] In 1992, Vidal appeared in the crime drama film, Night and the City, alongside Robert De Niro and Jessica Lange, directed by Irwin Winkler.

[4] Vidal was series regular on the ABC police drama, High Incident (1995–1996), and on The Brian Benben Show in 1998, and later had major recurring roles on Third Watch from 1999 to 2001 as Dr. Sarah Morales and ER from 2001 to 2004 as firefighter Sandy Lopez.

From 2001 to 2004, Vidal starred opposite Bonnie Bedelia in the Lifetime drama series, The Division, for which she received the 2002 nomination for the ALMA Award in the Best Actress Category.

In 2020, Vidal was cast as Mari Garcia, the lead character’s mother, in ABC romantic comedy-drama series The Baker and the Beauty.