I'm afraid I might have to call the authorities.
5 seconds sound clip from the Bronco Billy movie soundboard.
You can hear this line at 01:41:11 in the Blu-ray version of the movie.
Quote context
[...]
- You mean he really is your husband?
- What'd you run off and leave her for?
- If you knew what she was like, you'd run off, too.
- You mean you really are Antoinette Lily?
- Well, who else would she be? Would somebody mind tell me what's going on here?
- I'm afraid I might have to call the authorities.
- What the hell's going on here?
- I was just beginning to like her.
[...]