Sullivan’s Crossing fans will be missing a friendly face from the upcoming fourth season. Scott Patterson, who plays Harry ‘Sully’ Sullivan, the estranged father Maggie Sullivan (Morgan Kohan) has reconnected with, took to Instagram on Thursday to share his side as to why he won’t be returning for the new season, which is set to premiere on April 20. “Every actor knows what it’s like to fall in love with a character and a story. I fell in love with Sully and have nothing but fondness for him,” he wrote. “The creative differences were becoming untenable and I just sadly realized that the show was not something that I could agree to continue.” Patterson wanted to set the record straight regarding his reasoning for exiting the show, as he claims other people speaking out aren’t telling the whole truth. While he didn’t name anyone specific, Sullivan’s Crossing showrunner Roma Roth previously told People that Patterson’s absence in the new season was due to how season three ended. “Season 3 of Sullivan’s Crossing ended with Sully leaving for …