Dolphins are in danger -- and celebs like Jennifer Aniston, Hayden Panettiere, Woody Harrelson and Jason Mraz have joined the fight to protect the beloved sea creatures.
The celebs above -- plus Naomi Watts, James Gandolfini, Ben Stiller, Paul Rudd and more -- banded together to film a new PSA from the makers of Academy Award winning documentary "The Cove."
For info on how you can help, check out TakePart.com.
Warning: The video contains brief graphic images from "The Cove."
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