“- Dr. Einstein: I cannot operate without a drink!
- Jonathan Brewster: Pull yourself together, doctor!
- Dr. Einstein: I cannot pull myself together without a drink!”
Peter Lorre - Dr. Einstein
Raymond Massey - Jonathan Brewster

“- Kathleen Strauss: For a doctor, you really are not very helpful.
- Dr. Marlowe: Who says I'm a good doctor?”
Kristin Lehman - Kathleen Strauss
Rutger Hauer - Dr. Marlowe

- Quentin: We got an escape artist and a cop. There's gotta be a reason for that. You're a doctor. That gives you a function, a reason, right?
- Holloway: No! It just makes me go "Why me and not one of the other ten million doctors out there?".

Maurice Dean Wint - Quentin
Nicky Guadagni - Holloway

“Good doctors do the correct thing. Great doctors have the guts to do the right thing. Your father had those guts.”

Gene Hackman - Dr. Lawrence Myrick

“- Mrs. Upjohn: Surely, you don't question the Doctor's ability.
- Whitmore: No, not exactly. But running a sanitarium calls for a man with peculiar talents.”

Margaret Dumont - Mrs. Upjohn
Leonard Ceeley - Whitmore