▁man agers : ▁E . ▁Gr ig oren ko , ▁O . ▁Krak hov sk aya , ▁E . ▁S ny at ov sk aya ▁ ▁Production ▁Company ▁ ▁G ost eler ad io ▁ ▁L ente le film ▁ ▁O ch ak ovo - Fil ms ▁ ▁Dist rib utors ▁ ▁G ost eler ad io ▁( all ▁formats , ▁from ▁ 1 9 8 0 – 1 9 9 1 ) ▁in ▁the ▁Soviet ▁Union . ▁ ▁O ch ak ovo - Fil ms ▁( all ▁formats , ▁after ▁ 1 9 9 2 ) ▁in ▁Russia . ▁ ▁En io ▁Film ▁( after ▁ 1 9 9 4 , ▁V HS ▁video ) ▁( non - Russ ia , ▁non - USA ). ▁ ▁Production ▁▁ ▁Fil ming ▁dates ▁ 1 9 7 9 ▁- ▁ 1 9 8 0 ▁ ▁Fil ming ▁locations : ▁L ente le film ▁stud ios , ▁L ening rad , ▁L ening rad ▁ob last , ▁Russia . ▁ ▁Five ▁additional ▁animal ▁train ers ▁took ▁part ▁in ▁film ing . ▁ ▁Three ▁dogs ▁and ▁one ▁cat ▁were ▁selected ▁for ▁film ing ▁after ▁aud ition ing ▁hundreds ▁of ▁dogs ▁and ▁c ats ▁with ▁their ▁own ers . ▁ ▁D ogs ▁and ▁cat ▁" im pro vised " ▁a ▁lot ▁before ▁the ▁camera , ▁so ▁many ▁takes ▁were ▁made ▁for ▁each ▁scene ▁before ▁getting ▁good ▁results ▁for ▁con gru ent ▁editing . ▁ ▁D ogs ▁and ▁cat ▁made ▁some ▁unexpected ▁moves ▁during ▁the ▁film ing ,