Role: Lauren Schneider in Go On (CBS; Tuesdays at 10/9 Central)
Matthew Perry, who plays Ryan King, is making a comeback on the sitcom Go On—and newcomer Laura Benanti is probably going to help him do it. Benanti plays King's grief counselor, who takes a type-A, all-business approach to running each group-therapy session. Her quirkiness and sex appeal, though, come through in her scenes opposite Perry. Hot!