Richard Gere is a disfigured gangster who seeks revenge on his ex-partners after he has plastic surgery in "Johnny Handsome." Harold Becker directs next month in L.A. . . . Newcomer Terri Ann Linn is a wealthy resentful daughter who fights her jealous mother in the new CBS daytime series "The Bold and the Beautiful," to film next week in town. Ethan Wayne, youngest son of the Duke, and Carrie Mitchum, granddaughter of Robert Mitchum, are also regulars. . . . MTV veejay Alan Hunter moonlights as a nightclub manager where Shelley Berman's a performing comic in an upcoming episode of "The New Mike Hammer." . . . Wes Craven directs a suspense thriller, "The Serpent and the Rainbow," in Haiti next month. Supposedly it's the true story of a Harvard student who finds a scientific fact behind voodoo magic that triggers his pursuit by witch doctors. "Ruthless People" kidnaper Bill Pullman is the college student and "Mona Lisa's" Cathy Tyson is his guide through the supernatural subculture. . . . George C. Scott is negotiating to play the title role in a forthcoming TV movie of Ernest Hemingway's "The Old Man and The Sea." . . . Ben Frank portrays an Indian guru who bilks his followers in the syndicated series "The Judge," now shooting in Glendale. . . . Richard Mulligan battles Elizabeth Taylor for ownership of a bordello in the TV movie "Poker Alice," filming in Arizona. . . . Tangerine Dream, whose several film credits include "Risky Business" and "Legend," has been signed to score the Jill Clayburgh film "Shy People." . . . Steven Keats is a quirky detective whose offbeat methods of police work get him in trouble in the season's last episode (maybe the last episode ever) of "Hill Street Blues." The title: "It Ain't Over Till It's Over."