Name	Known for
Barbara Behrendt Self / former resident Self / former resident See fewer	The Holzer Files (2019)
Tony Behrendt Self / former resident Self / former resident See fewer	The Holzer Files (2019)
Allie Copeland Self / Knapp house manager Self / Knapp house manager See fewer	The Holzer Files (2019)
Molly Guion Self / former homeowner (archive footage) Self / former homeowner (archive footage) See fewer
Alexandra Holzer Self / Hans daughter Self / Hans daughter See fewer	The Amityville Curse (2023)
Hans Holzer Self (archive footage) Self (archive footage) See fewer	The Amityville Curse (2023)
Sheri Jordan Self / Knapp house manager Self / Knapp house manager See fewer	The Holzer Files (2019)
Cindy Kaza Self Self See fewer	Paranormal Mysteries
Ethel Meyers Self / psychic (archive footage) Self / psychic (archive footage) See fewer
Shane Pittman Self Self See fewer	28 Days Haunted (2022)
Gabriel Roth Self Self See fewer	Grindhouse (2007)
Dave Schrader Self Self See fewer	The Glowing (2007)
Jeffrey Trzepkowski Hans Holzer Hans Holzer See fewer	Anomalisa (2015)