Chance of a Lifetime starred the actress who was given what honorary title in 1955?
Chance of a Lifetime (1991 film):  It stars Betty White, Leslie Nielsen, and Ed Begley, Jr.. Betty White:  Regarded as a pioneer of television, she was one of the first women to have control both in front of and behind the camera; and is recognized as the first woman to produce a sitcom, which contributed to her receiving the honorary title "Mayor of Hollywood" in 1955.
Mayor of Hollywood