You may not know Beth Grant by name, but it's practically impossible not to know her face. Grant has been plying her trade as an actress for more than 30 years, having appeared in more than 100 films, three of which won the Academy Award for Best Picture -- Rain Man, No Country for Old Men and The Artist. She also co-starred in audience favorites such as the Oscar-nominated Little Miss Sunshine, the cult classic Donnie Darko, and the action movie Speed, which celebrates its 25th anniversary on Monday. Grant was raised in the South, and moved around …