New England — and especially Massachusetts — has a special place in Charlie Day ’s heart.

The “It’s Always Sunny in Philadelphia” star is hosting several tasting events in Boston from through Saturday to promote his whiskey brand, Four Walls Whiskey .

While meeting with fans at Cheers Boston in Beacon Hill Friday, Day took a moment to reflect on his pivotal college years that he spent in North Andover.

“It was great. It was a good experience,” the acclaimed actor told MassLive. “I don’t think I would have pursued acting had I not gone to Merrimack [College] .”

Day added that his old theater professor, the late Robert Heinlein (no relation to the science fiction writer), also inspired him to go into acting. He also recalled going to Williamstown Theatre Festival at William

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