Alec Baldwin has donated $250,000 to the Hamptons International Film Festival, the event's organizers announced Thursday.

It's a substantial gift from the Massapequa-born actor, a board member of the festival since 2007, who also serves as its most high-profile celebrity name.

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The "30 Rock" star is well-known for showing up at festival events to mingle with attendees and speak with reporters; he also hosts the festival's SummerDocs series at East Hampton's Guild Hall.

"We are extremely appreciative of this major contribution," festival chairman Stuart Suna said in a statement. He also praised Baldwin's "support of non-profits struggling to survive in the economic climate of the times."

This year's Hamptons International Film Festival will run from Oct. 13-17.

The gift marks Baldwin's second large donation to a Hamptons arts institution. In May, he donated $250,000 to Guild Hall.