. ▁The ▁first ▁series , ▁shown ▁in ▁ 1 9 6 9 , ▁was ▁in ▁black ▁and ▁white . ▁From ▁then ▁on ▁the ▁show ▁went ▁out ▁in ▁colour . ▁The ▁first ▁series ▁consisted ▁of ▁six ▁episodes , ▁while ▁subsequent ▁series ▁contained ▁th ir teen ▁episodes ▁each . ▁The ▁three ▁later ▁series ▁were ▁transm itted ▁in ▁ 1 9 7 0 , ▁ 1 9 7 2 ▁and ▁ 1 9 7 5 . ▁ ▁Media ▁releases ▁All ▁four ▁series ▁have ▁been ▁released ▁on ▁Region ▁Two ▁DVD . ▁ ▁Cast ▁ ▁John ▁St ride ▁– ▁David ▁Main ▁▁ ▁Kate ▁O ' M ara ▁– ▁Julia ▁Main ▁ ▁( Series ▁ 1 ) ▁ ▁Margaret ▁Ash cro ft ▁– ▁Margaret ▁Cast leton ▁ ▁John ▁W ent worth ▁ ▁– ▁Henry ▁Cast leton ▁▁ ▁Anna ▁P alk ▁– ▁Sarah ▁Court ney ▁ ▁( Series ▁ 1 – 3 ) ▁ ▁Philip ▁Bond ▁– ▁Peter ▁Find on ▁ ▁( Series ▁ 1 – 2 , 4 ) ▁ ▁John ▁Arn att ▁– ▁Sid ney ▁Bul mer ▁ ▁( Series ▁ 1 – 2 ) ▁ ▁G lyn n ▁Edwards ▁ ▁– ▁Walter ▁C leg g ▁ ▁( Series ▁ 3 – 4 ) ▁ ▁Est elle ▁Koh ler ▁– ▁Hil ary ▁Nash ▁ ▁( Series ▁ 3 ) ▁ ▁Sh aron ▁M aug han ▁– ▁In ge ▁Lind st rom ▁ ▁( Series ▁ 4 ) ▁ ▁In grid ▁H af ner ▁– ▁Laura ▁Gr anton ▁ ▁( Series ▁ 4 ) ▁ ▁Gary ▁Bond ▁– ▁Andrew