Pendleton Ward Creator Jeremy Shada Finn Voice John DiMaggio Jake Voice Hynden Walch Princess Bubblegum Voice Tom Kenny The Ice King Voice Dee Bradley Baker Chet, Mr. Cupcake Guest Voice Maria Bamford Manfried, Chocoberry Guest Voice Keith Ferguson Col. Candy Corn, Dr. Donut, Ice Cream Guy Guest Voice Pamela Adlon Gunther Guest Voice Alan Tudyk Chatsberry Guest Voice Keith David Balthus Guest Voice Steve Wolfhard Slimy D, Ice Imp Guest Voice, Writer Fred Seibert Executive Producer Kelly Crews Producer Seo Jung Kim Writer Somvilay Xayaphone Writer Tom Herpich Writer