Smallville actress Allison Mack has been released from prison, just over two years after she was sentenced for a string of crimes related to her involvement in the NXIVM sex cult. 

Mack, 40, was released from federal custody on Monday, according to online jail records.

A spokesperson for the Federal Bureau of Prisons (BOP) also confirmed Mack’s release in a statement sent to Oxygen.com on Wednesday. According to the agency, Mack was released early due to “good conduct” credit under the First Step Act release initiative, a law passed under former President Donald Trump’s administration, where inmates can accrue up to 54 days of credit for each year of their mandated sentence. The BOP declined to comment further on Mack’s release.

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Mack had been serving time at Federal Correctional Institution in Dublin, California, the same prison where fellow celebrities Felicity Huffman and Lori Laughlin served time for their roles in the Varsity Blues college bribery scandal. 

Mack was originally sentenced to three years behind bars in 2021 on racketeering conspiracy and racketeering charges for her role as NXIVM founder Keithe Raniere’s top lieutenant. She was first arrested in 2018.

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Prosecutors had alleged Mack, a former high-ranking NXIVM member, had played a prominent role in recruiting other women — or “slaves” — into a secret sex cult within the self-help organization. She was one of six individuals who was accused of sex trafficking related to NXIVM. 

At Raniere’s trial, secretly recorded audio that Mack provided prosecutors proved instrumental in securing a conviction against the sex cult leader. Raniere, 62, was ultimately sentenced to 120 years in prison.

Mack had initially faced a maximum prison term of 40 years. Due to her cooperation, prosecutors had recommended Mack receive a lesser sentence than the court-recommended punishment of 14 to 17-and-a-half years behind bars. 

Prior to her sentencing in 2021, she publicly apologized to her victims. Mack described her involvement in NXIVM as the “biggest mistake and greatest regret” of her life.

“It is now of paramount importance to me to say, from the bottom of my heart, I am so sorry,” Mack then said in a statement, previously obtained by Oxygen.com. “I threw myself into the teachings of Keith Rainire (sic) with everything I had. I believed, whole-heartedly, that his mentorship was leading me to a better, more enlightened version of myself. I devoted my loyalty, my resources, and, ultimately, my life to him. This was the biggest mistake and greatest regret of my life.”

Mack is best known for playing Chloe Sullivan on the Superman-based television series, Smallville.