Unless what, Dave?
4 seconds sound clip from the The Tingler (1959) movie soundboard.
You can hear this line at 00:42:06 in the Blu-ray version of the movie.
Quote context
[...]
- Things were pretty foggy, but I remember thinking that I mustn't scream.
- But the pain and the fear were so great.
- I don't think anybody could keep from screaming if they were really terrified.
- I'd better be on my way. Good night, kids.
- Suppose a person could not possibly scream?
- Evening, Doc. Come to see the show?
- No, thanks, not tonight. I just dropped by to see how you were doing.
[...]