Leman is a founding member of the H. P. Lovecraft Historical Society.
The Call of Cthulhu
2006 · as Unhelpful Bureaucrat
The Whisperer in Darkness
2011 · as Charles Fort
Le Monde de Lovecraft
2023 · as Self - Interviewee
The Eldritch Influence: The Life, Vision, and Phenomenon of H.P. Lovecraft
2003 · as Himself
Experiment 17
2005 · as Narrator
