- Walter Burns (Cary Grant) refers to some horrible fate suffered by the last person who crossed him: Archie Leach. Grant's real name is Archie Leach. See also Arsenic and Old Lace (1944).
- When Earl Williams tries to get out of the roll-top desk, Burns (Grant) says: "Get back in there, you Mock Turtle". Grant played the Mock Turtle in Alice in Wonderland (1933).
- Burns tries to describe a character played by Ralph Bellamy. He ends up saying that he "looks like that film actor, Ralph Bellamy". See also Arsenic and Old Lace (1944).
- One of the first, if not the first, films to have characters talk over the lines of other characters, for a more realistic sound. Prior to this, movie characters completed their lines before the next lines were started.
- In the play the film was based on ("The Front Page"), the part of Hildy was played by a man. When director Howard Hawks was planning to make the film, he was going cast a man. While auditioning actors, a secretary would read the lines belonging to Hildy. Hawks loved the words coming from a woman so much, they decided to rewrite the part for a woman.
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