TMDb/Sullivan's Crossing Celebrity Scott Patterson reveals why he won't return as Sully for Sullivan's Crossing Season 4. Read his heartfelt statement on creative differences. April 21, 2026 AceShowbiz - Scott Patterson, known for his role as Harry "Sully" Sullivan on the popular series Sullivan's Crossing, has revealed why he will not be returning for the show's upcoming fourth season. The news comes as a disappointment to fans eager to see Sully's continued storyline when the new season premieres on April 20.