as ▁and ▁Sil via ▁P inal . ▁ ▁Plot ▁The ▁por tero ▁or ▁do orm an ▁of ▁a ▁hum ble ▁neighborhood ▁( C antin fl as ) ▁also ▁writes ▁letters ▁to ▁his ▁neighb ors ▁for ▁extra ▁money . ▁He ▁falls ▁in ▁love ▁with ▁his ▁beautiful ▁neighbor , ▁Ros ita ▁( P inal ), ▁who ▁cannot ▁walk , ▁while ▁a ▁young ▁military ▁man ▁is ▁also ▁in ▁love ▁with ▁the ▁girl . ▁The ▁do orm an ▁wants ▁his ▁neighbor ▁to ▁be ▁happy , ▁so ▁he ▁writes ▁letters ▁to ▁her , ▁but ▁signing ▁as ▁her ▁military ▁adm ir er . ▁Meanwhile , ▁the ▁do orm an ▁has ▁a ▁plan ▁for ▁her ▁to ▁walk ▁again , ▁by ▁ear ning ▁money ▁at ▁the ▁horse ▁races ▁to ▁pay ▁for ▁her ▁operation . ▁ ▁Cast ▁C antin fl as ▁as ▁El ▁por tero ▁Sil via ▁P inal ▁as ▁Rosa ▁María ▁(" R os ita ") ▁Carlos ▁Martínez ▁Ba ena ▁as ▁Don ▁Sebast i án , ▁el ▁pro fe ▁Ó scar ▁Pul ido ▁as ▁El pid io ▁Josef ina ▁del ▁Mar ▁as ▁La ▁vec ina ▁b ail arina ▁Fernando ▁Cas an ova ▁as ▁Ra úl ▁José ▁Bav iera ▁as ▁Dr . ▁Per fect o ▁L oz ano ▁Con ch ita ▁Gent il ▁Ar cos ▁as ▁Do ña ▁Cu ca , ▁vec ina ▁Pe pe ▁Martínez ▁as ▁Prof es or ▁exam in ador ▁Pit out o ▁as ▁Don ▁Fort ino ▁Ric ardo ▁Ad al id ▁as ▁Am igo ▁de ▁Ra úl ▁en ▁fi esta ▁( un cred ited ) ▁Luis ▁Bad illo