Question: Who is best known as the co-star of the 1960s television series" I'm Dickens, He's Fenster" that also  is on a graphic adventure game developed by Activision and released for Windows in 1997?
Sentence (from "Zork: Grand Inquisitor"): Zork: Grand Inquisitor is a graphic adventure game developed by Activision and released for Windows in 1997, and for Macintosh in 2001.
Relevant evidence: Yes