Meet the 12 ALL NEW Cast of House Guests for Big Brother 18. Below are the bios and photos of the 12 house guests. It is rumored that there will actually be 16 house guests, Coaches perhaps? We’ll have to wait to see if there will be 4 more house guests added to the cast through a twist or returning players. Today at 1pm pacific time Jeff Schroeder will be interviewing the 12 house guests on the live feeds. Subscribe to the live feed today to watch the pre-season exclusive live feed content.