Alexander Ross Winter (born July 17, 1965) is an English–American actor, film director, and screenwriter, best known for his role as Bill S. Preston, Esq. in the 1989 film Bill & Ted’s Excellent Adventure, its 1991 sequel Bill & Ted’s Bogus Journey, and its 2020 sequel Bill & Ted Face the Music. He is also known for his role as Marko in the 1987 vampire film The Lost Boys; co-writing, co-directing, and starring in the 1993 film Freaked; and directing documentaries in the 2010s.