Combined images (from L to R) of Hollywood celebrities Cate Blanchett, Joaquin Phoenix and Ramy Youssef.
Dozens of top-flight names from the world of entertainment asked Biden to work to achieve an "immediate de-escalation and ceasefire in Gaza and Israel before another life is lost."
"We urge your administration, and all world leaders, to honour all of the lives in the Holy Land and call for and facilitate a ceasefire without delay," said the letter, released by artists4ceasefire.org.
"Saving lives is a moral imperative."
The statement also includes a comment from UNICEF spokesperson James Elder, emphasizing the devastation inflicted on the population of Gaza by ongoing Israeli air strikes and blockades on water and power.
The signatories' list, which is still under formation, also includes many known names from Hollywood and beyond as Hend Sabry, Bassem Youssef, Riz Ahmed, Jon Stewart, Dua Lipa, Bassam Tariq, May Calamawy, Sandra Oh, among dozens of others.
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