Bernie Mac died Saturday at age 50 from complications of pneumonia in a Chicago-area hospital, his publicist, Danica Smith, said in a statement from Los Angeles.
"The world just got a little less funny," said "Oceans" co-star George Clooney.
Don Cheadle, another member of the "Oceans" gang, concurred: "This is a very sad day for many of us who knew and loved Bernie. He brought so much joy to so many. He will be missed, but heaven just got funnier."
Mac suffered from sarcoidosis, an inflammatory lung disease that produces tiny lumps of cells in the body's organs, but had said the condition went into remission in 2005. He recently was hospitalized and treated for pneumonia, which his publicist said was not related to the disease.