The guests
Cameos
Former houseguests and other franchise figures who appeared during Big Brother 12.
| Guest | When | Appearance |
|---|---|---|
| Jeff | Week 5, aired Wed Aug 11, 2010 | Co-hosted the Power of Veto competition with Jordan. |
| Jordan | Week 5, aired Wed Aug 11, 2010 | Co-hosted the Power of Veto competition with Jeff. |
| Zingbot | Week 6, aired Wed Aug 18, 2010 | Hosted the Power of Veto competition. |
| Jessie | Week 7, aired Wed Aug 25, 2010 | Gave Britney exercise advice as her Pandora's Box consequence. |