They usually have three celebs playing, correct?
I know Sam Waterston is an actor, but is he a CELEBRITY?
Now, maybe if you had said Fred Thompson....
One actor from each of the L&O's, you take what you can get.
OK so does anyone have a real answer to my question?
the answer is 7
Be happy-- no Paris Hilton or other faux celebrities.
There may be celebrities who are unknown to some folks.