A half-hour series that starred an actress who played Natalie Lane in The Patty Duke Show, also starred what other actress?
Full Circle (TV series):  The half-hour series starred Dyan Cannon and Jean Byron, and was the first American soap opera to be broadcast live from Hollywood. Jean Byron:  She is best known for the role of Natalie Lane, Patty Lane's mother in "The Patty Duke Show".
Dyan Cannon