Harris, the only player listed on the Bears' injury report, said again Friday that he's "definitely playing" and is feeling "a lot" better.
Clifton and Hawk first appeared on the Packers' injury report Friday. They were both limited in practice.
The others listed as probable were linebacker Diyral Briggs (ankle), running back John Kuhn (shoulder), cornerback Pat Lee (hip) and linebacker Eric Walden (shoulder).
The Associated Press contributed to this report.