A Rum Collins is a cocktail based on the Tom Collins substituting a light rum for the gin.
2oz light rum, Juice of one lime, 1 teaspoon powdered sugar, Carbonated water, Lemon slice, Cocktail cherry, Ice cubes.
James Bond was served a Rum Collins by Largo in the film Thunderball (1965). Hope Holiday asks for a Rum Collins in the film The Apartment (1960). Katherine March (Joan Bennett) orders one in Scarlet Street (1945). Arthur Peabody (William Powell) orders one in Mr. Peabody and the Mermaid (1948). Inspector Vance (Donald MacBride) orders one in Murder Over New York (1940). Sikorsky (Christopher Lloyd) also orders a Rum Collins in The Dream Team (1989).