Haley Reinhart as William 'Bill' Murphy: The Murphys' prepubescent son who is cursed by multiple bullies.Long also voices Chuck Sawitzki & Phineas.Kevin also has aquaphobia, as he almost drowned in a motel pool as a child, an event that traumatizes him to this day. Justin Long as Kevin Murphy: The Murphys’ eldest child a 15-year-old foul mouthed juvenile delinquent, and aspiring musician.Laura Dern as Susan 'Sue' Murphy (née Chilson): Frank's 36-year-old wife, mother of four, and struggling entrepreneur.Murphy: a 39-year-old disillusioned, short-tempered, foul-mouthed, Korean War veteran, husband of Sue Murphy, and father of three who works as a baggage handler, and eventually promoted to ground-operations manager, at the local airport.
