The biggest thing I didn't tell ya. Her old man's Doc Mitchell.
5 seconds sound clip from the Meet John Doe (1941) movie soundboard.
You can hear this line at 00:08:25 in the DVD version of the movie.
Quote context
[...]
- Do you know something? She supports her mother and two kids. What do you know about that?
- She said she was going on a roaring drunk, the girl I mean.
- The biggest thing I didn't tell ya. Her old man's Doc Mitchell.
- He saved my mother's life and wouldn't take money for it.
- Okay, Boss. I'll go and look for her.
- Holy smokes, Commissioner. You've had 24 hours.
- Okay, grab a pencil. Here it is again.
[...]