<Li> Devon Sawa as Casper McFadden (human form) </Li> <Li> Bill Pullman as Dr. James Harvey, Kat Harvey's father who is a ghost therapist interacting with the' living impaired,' helping them to cross into the next dimension while hoping to find his deceased wife . </Li> <Li> Christina Ricci as Kathleen "Kat" Harvey, Dr. James Harvey's 13 - year - old daughter and Casper's love interest, who has lost her mother and wants to make a friend . </Li> <Li> Cathy Moriarty as Carrigan Crittenden, the main antagonist, a glamorous, treacherous, and greedy woman who was upset about her late father's only leaving Whipstaff to her in his will, until she discovers that the house contains treasure, and hires Dr. Harvey to get the ghosts out of the house in order to get it . </Li>

Who plays kat in casper the friendly ghost