Smallville," has been arrested and charged with sex trafficking for a reported cult leader. (Not a headline we'd ever see in the Smallville High Torch!)

The actress allegedly helped recruit women for the "self-help" organization Nxivm, where she reportedly groomed them as sex slaves for the group's leader, Keith Raniere.

Per TheWrap, U.S. attorney Richard P. Donoghue issued a statement Friday: "As alleged in the indictment, Allison Mack recruited women to join what was purported to be a female mentorship group that was, in fact, created and led by Keith Raniere. The victims were then exploited, both sexually and for their labor, to the defendants' benefit."

According to Page Six, Mack lured the women into a secret society within Nxivm called "The Vow." She allegedly persuaded them to take embarrassing photos that could be used as blackmail, then groomed them to have sex with Raniere.

"As this pyramid scheme continues to unravel, we ask anyone who might have been a victim to reach out to us with information that may further our investigation," FBI Assistant Director-in-Charge William F. Sweeney said in a statement.

Raniere was arrested in Mexico in March. Mack has been involved with the group for years and even talked about it in a series of YouTube videos last year.

If convicted, Raniere and Mack each face sentences of 15 years to life.

A publicist for Mack told TheWrap: "I have no comment on the arrest of Allison Mack this afternoon."

Mack was originally recruited to Nxivm in 2006 by "Smallville" costar Kristin Kreuk, The Post reported last month. They also report that Kreuk is no longer with Nxivm.

Mack also played Amanda on the FX series "Wilfred." Most recently, she voided Evelyn on the Amazon animated series "Lost in Oz."

[Via TheWrap, Page Six, THR]