▁for ▁longer . ▁I ▁hope ▁so ." ▁The ▁casting ▁of ▁Re id ▁Walker ▁in ▁the ▁role ▁of ▁Harry ▁saw ▁the ▁character ▁develop ▁from ▁a ▁" way ward ▁child " ▁to ▁a ▁" reb elli ous ▁pre - teen ". ▁In ▁ 2 0 1 1 ▁Harry ▁was ▁featured ▁in ▁a ▁story line ▁that ▁saw ▁his ▁f athers ▁girl friend , ▁Rach el ▁McK en na ▁( Ang ela ▁Blo om field ) ▁il leg ally ▁discipline ▁him ▁when ▁she ▁sm ack ed ▁him . ▁Rach el ▁was ▁an ▁in ex per ien ced ▁parent ▁and ▁as ▁such , ▁Blo om field ▁had ▁to ▁forget ▁her ▁own ▁mat ernal ▁nature , ▁" As ▁a ▁m um , ▁my ▁responses ▁are ▁now ▁automatic . ▁So ▁when ▁I ▁was ▁playing ▁Rach el ▁in ▁this ▁role , ▁I ▁tried ▁to ▁forget ▁about ▁what ▁now ▁comes ▁naturally ▁as ▁a ▁parent ▁... ▁Rach el ▁eventually ▁breaks , ▁and ▁that ' s ▁when ▁she ▁sm acks ▁him . ▁It ▁all ▁happens ▁pretty ▁quickly ▁and ▁she ▁immediately ▁real ises ▁she ▁has ▁crossed ▁a ▁line ." ▁Blo om field ▁was ▁une asy ▁film ing ▁the ▁story line , ▁" It ▁felt ▁really ▁in app ropri ate ▁– ▁even ▁film ing ▁the ▁scene !" ▁During ▁film ing , ▁Walker ▁wore ▁c ush ions ▁in ▁his ▁p ants ▁so ▁that ▁Blo om field ▁would ▁not ▁be ▁phys ically ▁hitting ▁him . ▁ ▁In ▁ 2 0 1 4 ▁when ▁the ▁character ▁was ▁entering ▁his ▁te en age ▁years , ▁Harry ▁started ▁to ▁move ▁away