That’s basically it
Those are the major characters and things you need to remember from Afterlife. But Frozen Empire is bringing in a few new characters, played by the likes of Kumail Nanjiani and Patton Oswalt, as well as old ones, such as Walter Peck played by William Atherton. He was the Environmental Protection Agency worker who shut down the Ghostbusters back in 1984. According to Venkman, he has no dick.
