Shallow Hal was filmed by an American.
Peter Farrelly ( born December 17 , 1956 ) and Bobby Farrelly ( born June 17 , 1958 ) , collectively referred to as the Farrelly brothers , are American screenwriters and directors . Shallow Hal . The motion picture was directed by the Farrelly brothers and filmed in and around Charlotte , North Carolina as well as Sterling and Princeton , Massachusetts at Wachusett Mountain .