Alternates

An Alternate is a potential player who was put into sequester, in the case that another player had to be replaced. Not all of these are known, however some were revealed, and in some cases the replacements had to be used after the cast member was revealed.
==List of Known Alternates==
===Replaced Alternates===
* Amber Borzotra was the alternate for Debbie in Big Brother 2. Amber was originally announced as a member of the cast, however tested positive for COVID-19, and had to be replaced by Debbie.
* Riolen was the alternate for Evil Twin in Big Brother 2. Riolen was originally announced as a member of the cast, however was forced to withdraw due to unknown reasons, and replaced by Evil Twin.
* Jisung Park was the alternate for June in Big Brother 3. Jisung Park was originally scheduled to participate, however was removed, or left, sequester last minute, causing June to compete instead. It is unknown why Jisung left the sequester, and whether or not it was voluntary. Jisung later appeared on Big Brother 7, in which he came 13th.
* Eunwoo was the alternate for Evangeline in Big Brother 3. Eunwoo was originally scheduled to participate, however was removed, or left, sequester last minute, causing Evangeline to compete instead. It is unknown why Eunwoo left the sequester, and whether or not it was voluntary.
===Unused Alternates===
* Derpy was a potential alternate for Chica in Big Brother 2, but was ultimately never used and was sent back home.
* Nicole Franzel was a potential alternate for Taylor Swift, but was ultimately never used and was sent back home.
* Chicka was an alternate for Big Brother 3, it's unknown for who she would replace. It was rumored Chicka was cut from the cast, due to the actions of Chica and production not wanting another altercation on the season.