Gretchen Corbett Gretchen Corbett (born August 13, 1947) is an American actress most noted for the role of Beth Davenport on the television series The Rockford Files from 1974 to 1978. Gretchen Corbett in Jaws of Satan Share this:RedditFacebookTumblrTwitterMorePocketLinkedInEmailPinterestLike this:Like Loading...