Sam Rockwell wades in Waters February 11, 2009 Sam Rockwell joins Hilary Swank in Betty Anne Waters Sam Rockwell has signed up to star in “Betty Anne Waters”, a legal drama that Tony Goldwyn is directing for Omega Entertainment. Based on the true story of Waters , an unemployed single mother who saw her brother convicted for a murder-robbery in 1983 and sentenced to life in prison. Convinced of his innocence, she spent the next decade earning a law degree and working on her brother’s case. Hilary Swank will star as the title character with Rockwell playing her brother. Minnie Driver has also confirmed a role in the movie.