Who Goes There, Part 2 is a continuation of the Who Goes There? story arc that took place on the Cerberus Daily News Forums between the months of February and July 2011. Starting in mid-August 2011, it covers a variety of events stretching across the Mass Effect galaxy, with a special focus on the STG's (and several other individuals') continued fight against the antagonist of the previous arc.
Like its predecessor, Who Goes There, Part 2 involves a massive cast from across the galaxy. Primary investigators and antagonists are listed below, in alphabetical order:
Since portions of WGT's storyline concerned public events, a number of other characters were involved in the storyline without being part of the investigation.