DOJ side: Asst. Attorney General Sally Yates, Asst. AG Head of National Security Division John P Carlin; Deputy Attorney Bruce Ohr; and legal liaison between Main Justice and FBI, Attorney Lisa Page.
FBI side: FBI Director Jim Comey; Asst. FBI Director Andrew McCabe; Director of Counterintelligence W.H. Bill Priestap; FBI Chief Legal Counsel James Baker; and lead FBI Counterintelligence Agent Peter Strzok.
Outsiders (The Dossier Crew):
Fusion GPS co-founder Glenn Simpson; the wife of Simpson, Mary B. Jacoby; a hired private contractor, familiar with CIA operations, Nellie Ohr (also wife of DOJ team insider Bruce Ohr); contracted former British MI6 Agent and head of Russia House, Christopher Steele (also attributed authorship of Dossier).