I'm afraid there's been a mistake. My name is Henderson.
5 seconds sound clip from the You Can't Take It with You (1939) classic radio play.
You can hear this line at 00:19:01 in the radio play.
Quote context
[...]
- There's the bell! He's here now! Tell him I'll be right there, Grandpa!
- Ed, Ed, stop playing! I think I heard the bell!
- And remember, everybody, be very nice! It's Alice's young man!
- Hello, I'm Alice's mother. Come right in.
- I'm afraid there's been a mistake. My name is Henderson.
- Henderson? But I thought it was Kirby.
- Wilbur G. Henderson, Internal Revenue Department. I'm looking for Martin Vanderhof.
- Thanks.
- The Government wants to talk to you about a little matter of income tax.
[...]