Madison's Group are the main focus of Fear. The core of the group are the main cast who appeared in "Pilot".
- At the beginning of the show, the group consisted of the following members: Madison, along with her children Alicia and Nick, Madison's fiancée Travis, along with his ex-wife Liza and their son Chris, Daniel Salazar and his wife Griselda and their daughter Ofelia. At the point the group are all living in Madison's house in El Sereno.
- At the end of season one and the beginning of season 2, the group consists of Madison, Travis, Alicia, Nick, Chris, Daniel, Ofelia and Strand. Both Griselda & Liza have died by the end of Season One finale "The Good Man"
- At the end of Season 2a, the group consists of the following members: Madison, Alicia, Ofelia and Strand. Travis and Chris have formed their own group, Nick has gone off on his own and the fate of Daniel is unknown.
- At the end of Season 2b the group consists of the following members: Madison, Travis and Alicia. Nick is still off on his own, Ofelia has re-entered the U.S. by herself, Strand has stayed behind and Chris has died. The fate of Daniel is sill unknown.