The Bellboy (1960)
Jerry Lewis: Stanley, Jerry Lewis
Mr. Novak, Hotel Manager : Stop shaking your head! What's a matter with you, can't you talk?
Stanley : Certainly, I can talk. I suspect I can talk as well as any other man, Mr. Novak.
Mr. Novak, Hotel Manager : In that case, how is it we never heard you talk before?
Stanley : Because no one ever asked me.