John Oliver Host, Executive Producer David Kaye Narrator Wendi McLendon-Covey Herself Guest Star Naomi Brockwell Herself Guest Star Kathy Griffin Herself Guest Star Jason Sudeikis Newspaper Editor Guest Star Billy Eichner Himself Guest Star Campbell Scott Himself Guest Voice Rose Byrne Reporter Guest Star Sunita Mani Herself Guest Star Eric Jacobson Oscar the Grouch Guest Voice Carmen Osbahr Rosita Guest Voice Mahershala Ali Reporter Guest Star Michael Torpey Himself Guest Star Dylan Baker Reporter Guest Star John Mellencamp Himself Guest Star Tommy Brown Prudential Domino Experiment Ringer Guest Voice Amy Schumer Herself Guest Star Moujan Zolfaghari Reporter Guest Star Ann Wilson Herself Guest Star Tim Carvell Executive Producer James Taylor Executive Producer Jon Thoday Executive Producer