"The reason you have to do this is you have to let them know that you're real," Foxx said at an NAACP event after a recent visit to the Reliant Astrodome, where cots have been set up for victims of the hurricane.
"He was so fine. I was just wishing he could have took me home with him," said Venus Junius, who was forced from her New Orleans home and spent three days on top of a bridge until a bus brought her to Houston.
"When I saw him I just ran to where he was at," she said.
Junius said visits by celebrities such as Foxx, Oprah Winfrey and Jada Pinkett Smith have been nice "because right now we need everybody we can get."
Ruth Bibbs, a 72-year-old from New Orleans' Lower Garden District, said meeting Foxx helped take her mind off the devastation.
"You forget about it for a moment, at least," she said.