From Wikipedia, the free encyclopedia Diane Brewster (March 11, 1931 – November 12, 1991) was an American actress most noted for playing three distinctively different roles in television series of the 1950s and 1960s: confidence trickster Samantha Crawford in the western Maverick; pretty young second-grade teacher Miss Canfield in Leave It to Beaver; and doomed wife Helen Kimble in The Fugitive.