Contents[show] This page lists characters, including Wesen, who appear only in "Volcanalis" Jill Prembrey Actor Nicole Santora Gender Female Type Human Status Deceased Comments She was a geologist working for EON corporation. While examining a fumarole near Mount Hood, she removed some rocks. She was attacked by Markus Hemmings upon leaving but subdued him using pepper spray. She was killed by Volcanalis. Thom Evans Actor Peter Anthony Jacobs Gender Male Type Human Status Deceased Comments He was Jill Prembrey's boss at EON. He showed Nick, Hank, and Renard where Jill had been working. He also removed some rocks and was later killed by Volcanalis. Retrieved from "https://grimm.fandom.com/wiki/Volcanalis/Co-stars?oldid=130943" Categories: Episode Characters Add category Cancel Save Community content is available under CC-BY-SA unless otherwise noted.