Devon Sawa — the young thesp who appears in Warner Bros. upcoming pic “Wild America” — has been cast opposite Vince Vaughn, Monica Potter and Joey Lauren Adams in John Smith’s “A Cool, Dry Place” for Fox 2000.Pic tells the story of a part-time lawyer (Vaughn) whose wife (Potter) walks out on him and their 4-year-old son. Subsequently, the father and son leave the city for rural Kansas, where the man finds a new love (Adams). Later, problems arise when Potter’s character re-enters the man’s life to reclaim their son. Sawa will play the little brother of Adams’ character. Produced by Katie Jacobs and Gail Mutrux, “Cool, Dry Place” goes before the cameras in Toronto at the end of the month. Matthew McDuffie adapted the screenplay from Grant Jaffe’s debut novel, “Dance Real Slow.” Sawa’s other film credits include “Little Giants,” “Now and Then,” “Casper” and the upcoming indie “The Boys Club.” He also appeared in the CBS miniseries “Lonesome Dove.” Sawa’s deal was brokered by Craig Shapiro of Innovative Artists.