Originally Answered: What are actors actually drinking when they're drinking wine on the show Game of Thrones? Props departments make fake wine by just adding food coloring to water. They also secretly mark the cups so they can be refilled each take to exactly the same level for continuity reasons.
Wherever there are commoners in “Game of Thrones,” there is ale. It's ale that the Hound demands from the farmer on the countryside in season four, episode three, and it's ale that King Joffrey's men drink when they go to the taverns north of King's Landing.