What really impresses me about this film is the way we get the reversal of roles. One expects from their "presences" that William Shatner will be the caring one with the open mind and Leo Gordon to be the closed mind who doesn't care. But I think they were cast opposite of their presence on purpose. It would be difficult to find two actors with such extreme presences. Granted, Gordon only seems to be caring in contrast to the extreme wickedness of Shatner's character in this film, but he does become the protagonist, so to speak. We do quickly learn that it is the other way around. I think that is a good thing. I am glad we didn't have to wait too long to find out different.