How many suspects are there in the game of clue?

There are 6 suspects in Clue. Their names are Miss Vivienne Scarlet who is a French actress (red pawn), Colonel Tom Mustard the army man (yellow pawn), Ms. Ellen White who is the maid and nanny (white pawn), Mr. Max Green who is a successful business man (green pawn), Mrs. Violet Peacock the political lady (blue pawn), and Professor David Plum who is the PhD earner (purple pawn).