The comedian who starred in "The Librarian: Return to King Solomon's Mines" made his debut during which 1960s show?
The Librarian: Return to King Solomon's Mines:  Gabrielle Anwar, Bob Newhart, Jane Curtin and Olympia Dukakis co-star. Bob Newhart:  Newhart came to prominence in the 1960s when his album of comedic monologues, "The Button-Down Mind of Bob Newhart", became a worldwide bestseller and reached number one on the "Billboard" pop album chart—it remains the 20th-best selling comedy album in history.
The Button-Down Mind of Bob Newhart