A chance meeting at a Philadelphia restaurant turned into a viral social media sensation Tuesday morning, when former President Joe Biden, Dr. Jill Biden and son Hunter happened to show up on the set of Reacher.

The Bidens had breakfast at Philly restaurant Parc where the cast of Reacher happened to be filming, according to CBS Philadelphia.

Photographer Hugh Dillon was watching the show shoot a police chase when suddenly black SUVs pulled up. 

“Out walked these men, that I thought they were actors, but then the entire cast and crew started clapping and cheering,” he told the news outlet. Then someone said, ‘We love you, Joe, we love you!’”

“I thought it was the end of the scene — that they were wrapping for the day. And no, it was, you know, Joe Biden decided he needed some breakfast at Parc Rittenhouse,” added Dillon. 

Reacher star Alan Ritchson posted pics of the chance meeting on Instagram, writing “So our ‘Reacher’ set got in the way of these legends. Was a privilege and honor to meet the Biden family,” Ritchson wrote. “They couldn’t have been more lovely. Kind, joyful, gracious and present. We chatted briefly about simple stuff, like string theory and quantum entanglement. Then Joe beat me at arm wrestling. All in a day’s work.”

Biden was inside the restaurant for about an hour chatting with Ritchson and crew, then came out, waved to the crowd, shook hands with the crew and posed for some selfies.

Biden’s visit to the restaurant comes about a month after he revealed his prostate cancer diagnosis.

Production began earlier this month on Season 4 of Reacher. A specific premiere date has not yet been announced.