As protests seeking a ceasefire lit up across Israel this weekend, Gwyneth Paltrow, Gal Gadot and Debra Messing joined other Hollywood stars in expressing sorrow and sympathy for the families of six Israeli hostages whose bodies were discovered in a tunnel below Gaza after 11 months in captivity.

Nearly a year after their abduction by Hamas in the Oct. 7 attacks on Israel, the bodies of the hostages — Hersh Goldberg-Polin, Eden Yerushalmi, Carmel Gat, Almog Sarusi, Alexander Lobanov and Ori Danino — were recovered from a tunnel under the city of Rafah. The Israeli Defense Force announced on Sunday morning that the six victims, who “were taken alive, endured the horrors of captivity and were then coldly murdered,” were killed shortly before Israeli forces were to rescue them.

Social media erupted in calls for protests of the lack of ceasefire-for-hostages negotiations coming from Benjamin Netanyahu’s government. Taking to Instagram after the news broke on Sunday,...