The term 'BIG NAME IN TALK' can be summarized by two crossword solutions: OPRAH (5 letters) and Geraldo (7 letters). OPRAH Winfrey is an American media executive, actress, talk show host, television producer, and philanthropist. She is best known for her talk show, The OPRAH Winfrey Show, which was the highest-rated program of its kind in history and ran in national syndication for 25 years from 1986 to 2011. Geraldo Rivera is an American attorney, reporter, author, and talk show host. He is best known for hosting the talk show Geraldo from 1987 to 1998.