Voted #10 in Total Film's 100 Greatest Movies Of All Time list (November 2005).
Walter Burns (Cary Grant) refers to some horrible fate suffered by the last person who crossed him: Archie Leach. Grant's real name was Archibald Leach and he ad-libbed the line. See also Arsenic and Old Lace.
When Earl Williams tries to get out of the roll-top desk, Burns (Cary Grant) says: "Get back in there, you Mock Turtle". Grant played the Mock Turtle in Alice in Wonderland.