(Additional dialogue was added to the screenplay by novelist James Hilton and Robert Benchley and over a dozen other uncredited scriptwriters.When the trio of chimpanzees argued amongst themselves over Zira""s ""talking"" incident, the agitated gorilla in the adjoining cage rose up, and as Milo asked: "Use your heads and start thinking.He chides his wife about often losing things: "You might lose it.You know, you are inclined o lose things, Paula," and drops it in her handbag "for safe keeping." He makes a great show of placing it inside, and teasing her: "Now, you""ll remember where it is," although he cleverly palms the brooch...We might just do it!Agreeing on the plan, an immaculately-uniformed Mireau visits the front""s war zone, in a dramatic change of scene." They included tough-talking, hard-bitten companions:evil company executive Carter Burke (Paul Reiser)gung-ho Marine Corps-lovingcigar-smoking Sgt.