© Bureau of Prisons/Getty; Steve Eichner/WireImageJohn Wayne Gacy, left, and a self-portrait.
Brian Peck, the former dialogue coach who pleaded no contest to sexually abusing former Nickelodeon star
Drake Bell, had a signed self-portrait painting of infamous serial killer
John Wayne Gacy that he flaunted in front of another child star.
The revelation
surfaced in an upcoming ID docuseries, Quiet on Set: The Dark Side of Kids TV, premiering March 17. The show uncovers the price many former child actors say they paid while working long hours in an emotionally manipulative and sometimes sexually charged environment.
In an exclusive clip shared with PEOPLE, former
All That cast member Kyle Sullivan, then 14, talks about seeing the inside of Peck's home, which included a shrine to
Planet of the Apes and — most notably — a painting of a clown holding balloons, which seemingly had nothing to do with the famous sci-fi franchise.
Comment: The number of services failing for due to 'unspecified' issues is in the news a lot more often lately: