Check out the official trailer for the comedy Unfinished Business starring br Vince Vaughn, Dave Franco, Tom Wilkinson, Sienna Miller and June Diane Raphael, right now on Fan Reviews! br br Unfinished Business Release Date: br March 6, 2015 br br Unfinished Business is an upcoming comedy film directed by Ken Scott and written by Steven Conrad. The stars are Vince Vaughn, Dave Franco, Tom Wilkinson, Sienna Miller and June Diane Raphael.