Question: Which HBO series features an actor who made a movie in 1981 with George A. Romero?
Sentence (from "Knightriders"): Knightriders, also known as George A. Romero's Knightriders, is a 1981 American drama film written and directed by George A. Romero and starring Ed Harris, Gary Lahti, Tom Savini, Amy Ingersoll, Patricia Tallman and Ken Foree.
Relevant evidence: Yes