Question:  Blake Alexander Carrington is a fictional character on the ABC television series "Dynasty", created by Richard and Esther Shapiro whose role was portrayed by John Forsythe, and also appeared as a guest on several talk and variety shows and as a panelist on what type of television show?
Sentence (from "Blake Carrington"): The role was portrayed by John Forsythe from the first episode of the series in 1981 until its finale in 1989.
Relevant evidence: Yes