Who is the Cocktail costar?

Please provide me with more context! "Cocktail" could refer to many things:

* The 1988 movie "Cocktail" starring Tom Cruise: The female lead in that film was Bryan Brown.

* The 1988 movie "Cocktail" starring Tom Cruise: The female lead in that film was Bryan Brown.

* A specific cocktail recipe: If you're thinking of a particular cocktail, please tell me what it is so I can help.

* A particular person you're thinking of: If you have a specific person in mind, please provide me with more information about them (e.g., their name, profession, etc.).

Once you give me more information, I can tell you who their costar is!