John Oliver Host, Executive Producer Ashley Blankenship Waitress Guest Star Bobby Cannavale Guest Martin William Harris Himself Guest Voice Wyatt Cenac Himself Guest Star B.J. Hendricks Mechanic Guest Star Frances Mitchell Nurse Guest Star Mario Van Peebles Himself Guest Star Rachel Dratch Wanda Jo Guest Star Jonathan Banks Himself Guest Star Valley Lodge Music Performer Mike Myers Himself Guest Star David Kaye Narrator Mike Birbiglia Himself Guest Star Adam Pally Himself Guest Star Michael Torpey Steve Guest Star Martin Starr Himself Guest Star Kumail Nanjiani Himself Guest Star Dean Winters Brett Guest Star Aisha Tyler Herself Guest Star Tim Carvell Executive Producer James Taylor Executive Producer Jon Thoday Executive Producer