Jack Benny appears as himself in an uncredited voice-over (telephone) cameo.
Lucy: Oh, I used to watch you all the time on radio!
George: You watched me on radio?
Lucy: I mean, I-I used to listen to you on television.
George: You listened to me on television?
Lucy: Yea, that was the year my picture tube went out.
George: You should have gone back to watching me on radio.