What is the fine-grained topic of the following text: Project Cadmus was introduced briefly at the end of Season 1 and as we have already heard, the show is currently casting for a new mysterious character that goes by “The Doctor” who is described as “the diabolical female leader of Project Cadmus who uses her surgical skills to implant prisoners with alien technology.” so that might be the second big bad that Kreisberg was hinting at. Only return the topic.
Casting for a new character in Project Cadmus in a show