The standout performance is Peter Cook's Mad Hatter. He plays the part with an intense, desperate jollity, as if his ceasing to smile would mean the end of everything. The business of the hatter's quarrel with Time therefore takes on a sort of existential terror. Other luminaries of the British stage and screen are on hand, including Leo McKern as the Duchess.
The film is in many ways a failure, it has a static quality, and yet it's much more interesting than a lot of successful films. Eva has just looked at this link on youtube.