Any actress can put on a spirited act on a talk show. The bottom line is that Lilo’s problem is two-pronged — the manic addictive behavior resulting in the refusal of grade-A directors, writers and producers to even consider offering her a decent part in a blue-chip feature or HBO film or whatever. So she’s a prisoner in a dungeon in which she can only perform in sketchy indies and bottom-of-the-barrel junk like Scary Movie 5.