What movie introduced the line, "If you want to call me that, smile"?

The Virginian (1929) introduced the line, “If you want to call me that, smile”. Gary Cooper said it.

Owen Wister, author of the novel The Virginian, phrased it as “When you call me that, smile!”

To whom does Marilyn Monroe say, “I always say a kiss on the hand might feel very good, but a diamond tiara lasts forever”? Marilyn Monroe says to Charles Coburn in Gentlemen Prefer Blondes (1953), "I always say a kiss on the hand might feel very good, but a diamond tiara lasts forever".
When was the movie rating system started? The Motion Picture Association of America started the Code and Rating Administration Board in 1968.
How much is the human body worth? Newspaper columnists and others have claimed that the body's chemical worth is between 98 cents and $5. But one doctor argues that, at the rates currently charged by large chemical distributors, the body's…
What is chamois? Chamois is a soft, warm leather and is the skin of the Alpine animal of the same name. More often, however, it is specially treated sheepskin.
Who said, “Pictures are the only business where you can sit out front and applaud yourself”? Will Rogers said, "Pictures are the only business where you can sit out front and applaud yourself".
Does W. C. Fields’s gravestone read, “On the whole, I’d rather be in Philadelphia”? No. W. C. Fields's gravestone does not read, "On the whole, I'd rather be in Philadelphia" In the first place, he isn't in a grave: his ashes are housed in a vault. Second,…