GLEANED: “Prozac Nation” actress – Christina Ricci, 22, has told Jane magazine that she learned how to be an anorexic in her teens by watching TV movies about eating disorders. “I did get all my tips from a Tracey Gold Lifetime movie on anorexia. It taught me what to do,” she said. “There was also one on HBO, starring Calista Flockhart when she was really young. She was bulimic and anorexic. She’d vomit into Tupperware containers and keep them in her closet. It was so crazy to me that for some reason it was appealing.” Those films were intended to dissuade viewers from following in the footsteps of their subjects . . . HIRED: Ex-“Wall $treet Week” host Louis Rukeyser, 69, fired by PBS after 32 years, will return to the air on CNBC next week, to take up hosting duties on the new “Louis Rukeyser’s Wall Street,” reports the Associated Press. It premieres April 19 in the same Friday night timeslot he occupied on PBS — and run in direct competition with his old show . . . CAST: The very tall Brad Garrett, 41, the Emmy-nominated star of TV’s “Everybody Loves Raymond” (he plays brother Robert Barone), will make his Broadway debut in the ongoing revival of the musical “Chicago,” reports Playbill On-Line. The 6′-8-1/2″ Garrett will appear from June 25-July 28 and play the cuckolded character Amos, who sings the show-stopping song “Mr. Cellophane,” about a man nobody ever sees . . . SETTLED: Actress Penelope Cruz, 27, is closing on a new apartment in downtown Manhattan but is not closing the door on her relationship with her “Vanilla Sky” costar Tom Cruise, 39, reports USA Today. Representatives for the couple say there is no truth to recent tabloid reports that they are splitting up. Cruz and Cruise have been living in his Beverly Hills home, though she has said over the past year that she also needed a place in New York.