Grant Gustin joins Todd Robinson’s The Last Full Measure Foresight Unlimited announced today that Grant Gustin (The Flash) will star in Emmy Award-winning writer/director Todd Robinson’s The Last Full Measure. Principal photography begins this weekend on the upcoming political drama in Atlanta and Costa Rica. Gustin will play actual Medal of Honor recipient William Pitsenbarger, a special forces Pararescue Jumper whose mandate is to save lives rather than take them.