Death Has Blue Eyes (1976)

A Greek gigolo, Ches, and his American friend, Bob, are commended to protect a mysterious girl, Christina, and her mother, Geraldine, from a gang of killers. When they get abducted by the gangsters, they found out they have been fighting on the wrong side and that Geraldine is not the mother of Christina, but an East-German agent and medium. The young girl has very strong telepathic powers that her abductor planned to use for the assassination of very important Soviet diplomat.