Michael Clarke Duncan -- 'Green Mile' Showing at Public Memorial

Michael Clarke Duncan was honored at a public memorial yesterday ... as fans and friends gathered at the Hall of Liberty in Forest Lawn for a viewing of the actor's body ... followed by a screening of his performance in "The Green Mile."

As we previously reported, a private invitation-only ceremony for the 54-year-old actor will be held today ... led by famed preacher Bishop Charles Blake. Dr. H. Beecher Hicks will be doing the eulogy.

Duncan passed away on Sept. 3 after suffering a myocardial infarction in July.