The Daffy Doc

The Daffy Doc is a 1938 Looney Tunes cartoon supervised by Bob Clampett (credited as "Robert Clampett") and starring Porky Pig and Daffy Duck. This cartoon was produced by Leon Schlesinger and released by Vitaphone and Warner Bros.
 * Directed by Robert Clampett. Produced by Leon Schlesinger.

Dialogue

 * Dr. Quack: [preparing to operate] I must have it quiet!
 * Daffy Duck: [reading signs aloud as he holds them up] SHHH! Shut yo' mouf! Zol zayn sha! Silence is FOO! Hoo-HOO!

Voice cast

 * Mel Blanc as Daffy Duck / Porky Pig / Dr. Quack. (uncredited)
 * Sara Berner as Switchboard Operator. (uncredited)
 * Robert C. Bruce as Daffy's Conscience. (uncredited)