The guests
Cameos
Former houseguests and other franchise figures who appeared during Big Brother 19.
| Guest | When | Appearance |
|---|---|---|
| Nicole | Week 1, aired Thu Jun 29, 2017 | Hosted the first Head of Household competition. |
| Derrick | Week 8, aired Fri Aug 18, 2017 | Visited the house to lead a look back at the season. |
| Derrick | Week 8, aired Sun Aug 20, 2017 | Hosted the Head of Household competition. |
| Zingbot | Week 8, aired Wed Aug 23, 2017 | Returned to the house to roast the houseguests before the Power of Veto competition. |