Sazerac
James Bond / Felix Leiter
At the New Orleans Fillet of Soul, Bond starts to order bourbon with no ice but Leiter talks him into a Sazerac.
Sources: The James Bond Dossier: Live and Let Die at 50; Cheryl Charming (Miss Charming): Cocktails in Film; Cocktail Society: 22 Cocktails famously featured in Film and TV