“If I ever see him again, I'm going to cut open his head and eat his brain.”
Dennis Hopper - Deacon

“- Ygor: You can make us one. We'll be together always. My brain and his body. Together.
- Ludwig Frankenstein: You're a cunning fellow Ygor. Do you think I would put your sly and sinister brain into the body of a giant? That would be a monster indeed. You will do as I tell you or I will not be responsible for the consequences.”

Béla Lugosi - Ygor
Cedrick Webster Hardwicke - Dr. Frankenstein

“- Renfield: You have 30 seconds to tell me where Miss Sondheim is, or...
- Model Agent: Or what? You'll eat your lunch in my office?
- Renfield: No-o-o, my lunch will eat you.”
Arte Johnson - Renfield
Susan Tolsky - Model Agent

“- Ygor: You're going to help him Doctor? You are giving him life?
- Ludwig Frankenstein: Yes but not for the purposes that you think Ygor. I'm giving him strength so that an operation may be successful.
- Ygor: An operation?
- Ludwig Frankenstein: Yes. I'm giving him another brain.”
Béla Lugosi - Ygor
Cedrick Webster Hardwicke - Dr. Frankenstein

“- Ygor: Whose brain?
- Ludwig Frankenstein: Kettering. A man of character and learning. The monster will cease to be an evil influence and become everything that is good.”

Béla Lugosi - Ygor
Cedrick Webster Hardwicke - Dr. Frankenstein