- Inspector? You mean a policeman? 
- But he's not an ordinary policeman.
5 seconds sound clip from the Phantom of the Opera (1943) movie soundboard.
You can hear this line at 00:09:09.434 in the Blu-ray version of the movie.
Quote context
[...]
- Terrifying fellow, that Vercheres, when he wants to be.
- I'm very grateful, monsieur.
- I promise you I'll never miss a curtain call again.
- Now, uh... This young man who is more important to you than your career... Who is he?
- But he isn't, monsieur. That is, I'm very fond of him... I mean...
- Oh. Well, he's Inspector Raoul Daubert of the Sûreté.
- Inspector? You mean a policeman?
- But he's not an ordinary policeman.
- Even an extraordinary policeman seems a strange sweetheart for an operatic soprano. Does he sing?
- I'm afraid you don't understand, monsieur.
- He's a graduate of the military academy at Saint-Cyr. And he's very intelligent and very clever.
- For a man who means nothing to you, he seems to have made quite an impression, mademoiselle.
- But I didn't say he meant nothing to me. What I said was...
[...]

 Phantom of the Opera (1943)
 Phantom of the Opera (1943)  Scooby-Doo, Where Are You! (1969)
 Scooby-Doo, Where Are You! (1969)  Halloween III: Season of the Witch (1982)
 Halloween III: Season of the Witch (1982)  Knight Rider (1982)
 Knight Rider (1982)  Garfield's Halloween Adventure (1985)
 Garfield's Halloween Adventure (1985)