As a follow-up to his comeback performance in Pulp Fiction, John Travolta plays a likable Miami loan shark and movie buff dispatched to Los Angeles to collect on a gambling debt from a sleazy producer (Gene Hackman), in an entertaining comedy-thriller (1995) adapted by Scott Frank from the Elmore Leonard best-seller and directed with bounce (if not much nuance) by Barry Sonnenfeld (Addams Family Values). Coproduced by Danny DeVito, who also costars, this is fairly light stuff; with Rene Russo, Dennis Farina, Delroy Lindo, James Gandolfini, David Paymer, and Linda Hart. (JR)