Critical Role's core cast of Dungeons & Dragons characters, alongside the veteran voice actors portraying them, are well-loved by most show fans. Even the most contentious characters tend to have sizable fanbases. However, these aren't the only heroes in Critical Role's campaigns. The series has a proud history of guest stars, and many are friends or colleagues of the cast.
Source：https://www.cbr.com/best-critical-role-cameos/
