Todd Williamson/Invision for
Emily Rome
March 13, 2013 AT 02:44 PM EDT

Matt Damon is no longer alone in his refusal to use a toilet until the entire world has access to clean water.

Fellow “famous people” — as Damon affectionately calls them in the video below — Jessica Biel, Jason Bateman, and Josh Gad have joined his toilet strike, which he announced last month in a “press conference.” The silly-but-really-very-serious awareness campaign is led by Damon and the organization he co-founded,

In the campaign, Damon and have called for change, citing the 2.5 billion people worldwide who are without adequate sanitation, the 800 million people who do not have access to clean drinking water every day and the 4,000 children under age five who die each day from preventable water-related illness.

Check out the new video below, which released today, to see Gad’s enthusiasm for striking, to hear about Bateman’s choice of a toilet-alternative and to learn about how Biel can make a room smell like a singing hummingbird.

Read more:

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