Al mentions early on that he's had a cold for three days. In fact, Ed O'Neill actually did have a cold during the filming of this episode. His voice is noticeably raspy. The line about his having a cold was written in to the script at the last minute to cover this up.
Abdul Goznobi who went on to play the convenience store clerk Iqbal on "My Name Is Earl" played the silent uncredited Habib#3.