“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

“- The Ringo Kid: That was my kid brother that broke his arm. You did a good job, Doc, even if you were drunk.
- Dr. Josiah Boone: Thank you, son. Professional compliments are always pleasing.”
John Wayne - The Ringo Kid
Thomas Mitchell - Dr. Josiah Boone

“- 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

“- 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