“Parks and Recreation” thesp Chris Pratt is in talks to co-star opposite Vince Vaughn in DreamWorks’ untitled remake of the hit French-Canadian comedy “Starbuck,” which original helmer Ken Scott will direct from his own script.Story follows a middle-aged man (Vaughn) whose life is turned upside down when he learns he has fathered 533 children through sperm donation. When a few hundred of the children express an irrepressible need to meet their father, he must decide whether or not he will step up and reveal his identity. Pratt will play the protag’s lawyer who has several kids of his own. Original filmmaker Ken Scott is set to write and direct the comedy. Andre Rouleau will produce, while Scott Mednick will exec produce with Ray Angelic and former DreamWorks exec Mark Sourian. Studio has beeen planning an accelerated production schedule, with filming skedded for later this year. Pratt, who appeared in “The Five Year Engagement” and will soon be seen in Kathryn Bigelow’s Osama bin Laden pic, is repped by CAA and Mosaic.