“- Rick Gassko: Diagnoses?
- Dr. Stan Gassko: Medically speaking?
- Rick Gassko: Yes.
- Dr. Stan Gassko: Whacked out of his brains on drugs.”
Tom Hanks - Rick Gassko
William Tepper - Dr. Stan Gassko

“- Claire: How did you lose your license?
- Dr. Eugene Sands: I was operating on a patient and the patient died.
- Claire: Was it your fault?
- Dr. Eugene Sands: I was under the influence of narcotics and methamphetamines at the time, so yes, you could say it was my fault.”
Angelina Jolie - Claire
David Duchovny - Dr. Eugene Sands

“Laudanum is a derivative of opium. Apart from doctors and addicts, not many would be able to detect it. How long have you been chasing the dragon, Inspector?”
Sir Ian Holm - Sir William Gull

“- Donald Kimball: What whole Yale thing?
- Patrick Bateman: Well, for one thing, I think he was probably a closet homosexual who did a lot of cocaine. That whole Yale thing.”
Willem Dafoe - Donald Kimball
Christian Bale - Patrick Bateman

“- Egbert Sousé: Hello, Doc. How are ya? How's business?
- Dr. Stall: Fair, fair. I don't suppose we'll ever get another whooping cough epidemic again.”
W.C. Fields - Egbert Sousé
Harlan Briggs - Dr. Stall