A Seattle household secretly cooperates with police in a case that links a family member (Neil Patrick Harris) to widespread arson. George Keller: Gerald McRaney. Margaret: Cindy Pickett. Ruth: Ari Meyers. Litchfield: Tom Verica. Whetsel: Scott Allan Campbell. O'Connor: Tom McBeath. Knapp: Steven E. Miller. Ben: Jason Gaffney. Based on fact.