Pal – was a male Rough Collie and the first in a line of such dogs to portray the fictional female collie Lassie in film and television. In the dog was chosen to play Lassie in MGM’s feature film, Lassie Come Home
George Cleveland - was a Canadian film actor. He appeared in over 180 films between 1933 and 1954 here with Lassie, Tommy Rettig Jan Clayton. He appeared in the first three seasons – and in the first 12 episodes of the fourth season
The Patty Duke Show ABC). Duke plays identical cousins, one a demure, shy Scot, the other a brash American teen. The idea that cousins could be ‘identical’, is explained by the fact that their fathers are identical twins.