That doctor must be walking.
2 seconds sound clip from the Meet Me in St. Louis (1944) movie soundboard.
You can hear this line at 01:00:17.167 in the DVD version of the movie.
Quote context
[...]
- No, no, Mother won't hurt her baby. Let me see, dear. Let me see.
- That doctor must be walking.
- Shall I call Papa at the office?
- Oh, good heavens, no. Don't call your father. What could he do?
- Now, tell Mama, what happened?
- It was a streetcar. I think it hit her. It must have tossed her onto the cinders, didn't it, Tootie?
[...]