A group of 55 prominent artists and advocates in the entertainment industry have joined forces to send a powerful message to President Joe Biden. In an open letter, they are urging him to call for an immediate ceasefire in the ongoing conflict between Israel and Gaza. The signatories represent a star-studded lineup, including the likes of Joaquin Phoenix, Cate Blanchett, Jon Stewart, Kristen Stewart, Susan Sarandon, Mahershala Ali, Riz Ahmed, Ramy Youssef, and Quinta Brunson.