The "Desperate Housewives" star worked the drive-through at the restaurant to help kick off the Father's Day Frosty Weekend, an event that donates 50 cents for every Frosty sold to the Dave Thomas Foundation for Adoption and its signature programme Wendy's Wonderful Kids.
Longoria Parker worked at Wendy's from 1991 to 1994, the Corpus Christi Caller-Times reported in its online edition.
While the current star of Wisteria Lane dished up fast food, her husband, Tony Parker of the San Antonio Spurs, was preparing for Game 4 of the Lakers-Spurs National Basketball Association playoff matchup in San Antonio.