Did You Know?
Director Jonathan Miller
explained that the reason that none of the actors (even those playing non-human characters) wore costumes aside from Victorian period dress, was that he thought it was ridiculous to get big name stars to play parts (as he did in this version of Alice and MGM had done in their 1933 film version) and then cover them up in big costume animal heads so they were unrecognizable. See more
In the scenes with the Mock Turtle, his legs are crossed in all the long shots, but in close-up shots, his legs are in a completely different position; without there being enough time to have changed them from one shot and another. See more