- Carol Channing, actress
- Bill Cosby, comedian
- Jane Fonda, actress and political activist
- John Lennon, singer and songwriter 
- Steve McQueen, actor
actually of all those on the list, except perhaps lennon, I think a strong case can be made that morrison was indeed the most hounded, beyond just simple surveillance.
even though he was less well known then most of those on the list at that time, he nevertheless was a more valuable target for his admin. So much so, they may have been willing to go to more extreme means to get him. Hence, it's why he may very well be off the list. Why have documented linkage on a list about a guy you're actually going to use the courts to go after?
imo, morrison was probably viewed as an effective tool for political gain as opposed to someone they were all that concerned about watching.
going after morrison served the admin 2fold:
1. to try to quell what they viewed as a radical youth movement that was against the war & wanted traditional values changed in society. Two issues the republicans used as wedge issues to shore up the silent majority (ie the tax paying working middle class over 35). They were also frankly worried about the youth changing so much in large #'s that their issues couldnt reach any of them in the future.
2. perhaps more importantly, also for political power strategy. And in that regards, going after morrison in particular, made sense for them .
Nixon was already implementing the gop's southern strategy, wh/ wasnt only playing to race issues in the south, but was also playing to traditional values. Its important to remember, before Nixon, w/ the exception of IKE, the republican's were getting smoked politically going back to Hoover. It's also important to realize up thru the '60's, the south was strongly democrat. But w/ the democrats turning more left, w/ jfk & esp lbj, the GOP seized on a strategy to start to win over the south & then gain major mojo in national political elections. It eventually worked & is why since 1980 the GOP has been very strong in the southern states. Florida is & was the crown jewel politically in the south (b/c of its electoral #).
as was already stated nixon had strong connections in fla, esp miami. he spent a lot of time in the city vacationing (even during his presidency) & was strong friends w/ bebe rebozo & also jackie gleason.
morrison's unfortunate drunken performance was seized on by the local political apparatus for naked political gain by stronger hands. keep in mind, miami is a much more liberal city then the rest of the state, yet if framed w/ the right narrative (ie lewd exposure), the concert in court could be used as a perfect wedge issue to scare over moderate leaning family raising voters in the city, to the GOP's political platform (on domestic unlike morality issues nixon was moderate).
If you gain leverage in miami, the rest of the state is already in your pocket. morrison and the concert was the perfect foil to seize for those ends. & the payoff could pay major dividends in power politics in re to shifting the political weight of power in the south. why do you think jackie gleason along w/ anita bryant had a decency rally at the orange bowl in response to the doors concert. again, this was political opportunism w/ a potential huge political payoff.