Cybill Shepherd in town to see son Zack, who was arrested Tuesday.

Cybill Shepherd was in town over the weekend visiting her son Zack, the 22-year-old Penn student who was arrested early Tuesday morning at Philadelphia International Airport and charged with stealing from fellow passengers luggage aboard a flight from San Francisco. The actress, her son, and his twin sister Ariel, who attends Yale, dined Saturday night at Mel's International (201 Jefferson) in Belmont Hills, with Shepherd's old friend Harry Jay Katz, of East Falls, and his girlfriend Debra Renee Cruz. Shepherd, who we hear is checked into an area hotel under an alias, was trying to lay low and Katz asked fellow diners to please not take pictures when they approached the table to say hello to the "Moonlighting" and "The L Word" star.