High Quality Content by WIKIPEDIA articles! Boxcar Bertha (1972), director Martin Scorsese`s second film, is a loose adaptation of Sister of the Road, the fictionalized autobiography of radical and transient Bertha Thompson as written by Ben Reitman. One of producer Roger Corman`s famous exploitation films, the movie was made with a modest $600,000 budget and taught Scorsese how to make films quickly and economically.