Harden, whose film credits include "Mystic River" and "Pollock," is to take part in the ship's christening Thursday.
The invitation-only ceremony in New York is scheduled to be broadcast live on the company's Web site -- www.carnival.com/dream -- beginning at 4 p.m. EST.
Carnival's Senior Cruise Director John Heald is to preside over the event on the 3,646-passenger Carnival Dream, which was unveiled in Europe Sept. 21.
It is expected to operate a series of voyages from New York before repositioning in Port Canaveral, Fla., to begin year-round Caribbean service Dec. 3, Royal Caribbean said.
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