In his autobiography "Tall, Dark and Gruesome", Sir Christopher Lee identifies this movie as one that was particularly important to him (despite the fact that he played a relatively small part). The reasons being because it was the first time he got to act with an American accent, and also because he was cast against type.
Harvey Holroyd: What are you doing here?
Stokely: I practically live here.
Harvey Holroyd: Really? Why the plastic turd?
Stokely: It's my homework. He says my mind is not in touch with my body, so I'm supposed to learn my body's beautiful. Starting with shit.
Dr. Leonard Miller: Stokely, may man! Ah, you ...
Harvey Holroyd: ...