The Old School star was dining at celebrity chef Nobu Matsuhisa's restaurant in Aspen, Colorado, during the recent Comedy Arts Festival.
When the bill came, Piven paid up and left the waiter a copy of his Entourage DVD as a tip. The outraged server threw the DVD at the celebrity diner.
A fellow diner tells the New York Daily News, "He (Piven) came in with a large group of 12 or more without reservations and asked for a table.
"It was a very busy night, but a table, although cramped, was provided. On his way out, he made a nasty comment to the manager: 'Thanks for nothing.'"
The actor was later advised to steer clear of all Nobu restaurants.
But Piven is playing down the incident in Aspen: "I'm such a fan of Nobu and all of his restaurants. I had a great dinner at the Nobu in Aspen. As always, the meal was excellent and the service was great."
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