Allison Mack is blaming her “Smallville” co-star Kristin Kreuk for her involvement in Nxivm. During the first episode of her new “Allison After Nxivm” podcast , Mack, 43, claimed that Kreuk, 42, introduced her to the purported self-help organization that has since been exposed as a sex cult. Mack served 21 months in prison for her participation in the group and is now sharing her story in the seven-episode podcast series. “We went to Syria and Turkey together, we went to Mongolia together, we