Cruise is also said to have been threatened by people angered by his portrayal of Colonel Claus von Stauffenberg in the film Valkyrie. Anti-Scientology group Anonymous hurled insults at him when the film premiered in Los Angeles last week.
"Tom takes the security of his family very seriously," the Mirror quoted a source as saying. Four months ago, Cruise was warned that anthrax would be placed in his LA office. Ever since, he is said to have spent five million pounds on an underground bunker at his Colorado estate. He and his wife also use bomb-proof vehicles.