Conversation so far:
What was the basic plot of the South Park episode Trapped In The Closet?
In South Park's episode Trapped in the Closet Stan joins Scientology. After the discovery of his surprisingly high thetan levels, he is recognized as the reincarnation of L. Ron Hubbard.
What happens after Stan joins Scientology on the South Park episode Trapped in the Closet?
In South Park's episode Trapped in the Closet Stan is recognized as the reincarnation of L. Ron Hubbard, after the discovery of his surprisingly high thetan levels.
Is Tom Cruise a character on the South Park episode Trapped in the Closet as well?
The creators used the ambiguity of coming out of the closet, having Tom Cruise literally refusing to come out of Stan's closet, in the Trapped in the Closet episode.
What does Tom Cruise want with Stan in Trapped in the Closet?
In Trapped in the Closet, Stan Marsh is declared to be the reincarnation of L. Ron Hubbard, Tom Cruise ambushes Stan trying to seek approval from his reincarnated mentor.
What does Stan tell Tom Cruise in Trapped in the Closet?
In Trapped in the Closet, Stan tells Tom Cruise that his acting is okay but not as good as others' such as Leonardo DiCaprio or the Napoleon Dynamite guy.

Question: What other famous actors are depicted?
Self-contained rewrite: What other famous actors are depicted in the South Park episode Trapped in the Closet?