BRETT DIER AND ELIZABETH WHITSON CAST IN ABC FAMILY’S PRETTY LITTLE LIARS SPIN-OFF SERIES, RAVENSWOOD ABC FAMILY ANNOUNCES BRETT DIER AND ELIZABETH WHITSON CAST IN “PRETTY LITTLE LIARS” SPIN-OFF SERIES, “RAVENSWOOD” “Ravenswood” Set to Premiere in October ABC Family announced today that it has cast two new series regulars in
