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the minor characters are x-ray
Incomplete list & in no particular order:
Character from the first movie include: (Some minor characters are not on this list)
mimi,roger,collins,angel,joann,maureen,benny,April (minor character....only showed in a few scenes)
Jerry, George, Elaine and Kramer have all smoked cigars on the show. The list of minor characters that did not smoke would be very large.