Article continues below advertisementConvicted felon Allison Mack alleged Smallville costar Kristin Kreuk introduced her to the infamous NXIVM cult.Mack, 43, revealed on the premiere episode of her podcast "Allison After Nxivm from Uncover" that she and her CW costar, 42, were great friends during the show's run in the early 2000s."We went to Syria and Turkey together, we went to Mongolia together, we went to Paris, and we had so much fun, and that became kind of like a thing," Mack began.