Who is the Blond in the new Arby's 3 Cheeze and Bacon Commercial?

The blonde in the new Arby's 3 Cheeze and Bacon commercial is actress and model, Vicky Krieps. She is known for her roles in films such as "Phantom Thread" and "The Girl on the Train." In the commercial, she humorously portrays a character who is captivated by the deliciousness of the new menu item.