The Slimer! shorts featured Cree Summer as Chilly Cooper, an ice cream truck driver who befriends Slimer.
Crowley from "The Halloween Door" was voiced by Michael Rye, better known as Duke Igthorn.
Cree Summer played Chilly Cooper from the Slimer! and the Real Ghostbusters era.
The Other Darrin: After the syndicated episodes, Dave Coulier replaced Lorenzo Music as Peter and Kath Soucie replaced Laura Summer as Janine. A season later, Arsenio Hall left for his talk show and was replaced by Buster Jones.
In the second season, whenever the Stay Puft Marshmallow Man appeared, Frank Welker handled any vocal effects. In Season 3's "Sticky Business," John Stocker took over the role. Later in Season 5's "Partners in Slime," Welker again voiced the character for a brief cameo.