George Clooney to Reunite With ‘ER’ Cast For Charity

The cast of ER is reuniting for a good cause. George Clooney, Julianna Margulies, Noah Wyle, and more will reunite for a special Earth Day episode benefiting Waterkeeper Alliance.

Gloria Reuben, who played Jeanie Boulet on ER, is the President of Waterkeeper Alliance,  an organization that works to ensure every community worldwide has drinkable, fishable, and swimmable water.

In addition to Clooney (Doug Ross), Margulies (Carol Hathaway) and Wyle (John Carter), we will also get to see Laura Innes (Kerry Weaver), Anthony Edwards (Mark Greene), Alex Kingston (Elizabeth Corday), Goran Visnjic (Luka Kovac), Paul McCrane (Robert Romano), Ming-Na Wen (Jing-Mei Chen), Laura Cerón (Chuny Marquez), Yvette Freeman (Haleh Adams), Conni Marie Brazelton (Connie Oligario), and CCH Pounder (Angela Hicks).

The reunion episode will stream on People’s social platforms on Facebook, Twitter, and YouTube, as well as on PeopleTV’s Facebook and Twitter on Thursday, April 22, at 8 p.m. ET.

Denis Makarenko /