Haiduk also had leading roles in the NBC prime time soap opera, The Round Table (1992) and Fox supernatural horror series, Kindred: The Embraced (1996), and has appeared in a number of feature and made-for-television movies.
In 2018, she began starring as Kristen DiMera and Susan Banks on the NBC soap opera, Days of Our Lives receiving another Daytime Emmy Award nomination in 2022.
After the series ended in 1992, Haiduk portrayed the leading role of Rhea McPherson, an aspiring FBI agent, in the Aaron Spelling-produced prime time soap opera, The Round Table.
From February 2009 to August 2010, she appeared on the CBS soap opera The Young and the Restless as Patty Williams, and also played Emily Peterson on the series.
In July 2010, Haiduk was cast to play a prison warden on Days of Our Lives; she was subsequently dismissed and recast with former Santa Barbara actress Gina Gallego after three episodes, due to a scheduling conflict with The Chicago Code.
In 2009, Haiduk was the subject of an online boycott petition for apparently wearing a stuffed cat as a purse during the Daytime Emmy Awards.