The pair helped close out the facility's month-long fundraising campaign, Make March Matter, in which more than 100 local businesses and corporate partners urged customers to donate to CHLA through everyday activities, reported Entertainment Weekly.
Evans and Grace did an advanced screening of their new film, "Gifted". The actress also handed out handmade bracelets.
"(Chris Evans) thank you for visiting my daughter at #CHLA yesterday," Reza Khorramian, a mother of one of the patients, wrote on Twitter.
Another parent, Alicia Garcia, also posted of the visit to Instagram. "Noah meets Captain America and McKenna Grace," she wrote.
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