| Episode credited cast: |
 | Wilbur Farley | - | Himself - Contestant |
 | Pope Francis | - | Himself (archive footage) |
 | Muammar Gadaffi | - | Himself (archive footage) (as Gadaffi) |
 | Johnny Gilbert | - | Himself - Announcer |
 | Charlton Heston | - | Himself (archive footage) |
 | Peter Jennings | - | Himself (archive footage) |
| Eric Maher | - | Himself - Contestant |
 | David Muir | - | Himself - Video Clue Presenter |
| Kiana Nakamura | - | Herself - Contestant |
 | Alex Trebek | - | Himself - Host |
 | Elizabeth Vargas | - | Herself - Video Clue Presenter |
 | Barbara Walters | - | Herself (archive footage) |
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