Several good actors are laid low by the tawdriness of Bonnie's Kids. The title characters, played by Tiffany Bolling and Robin Mattson, are sisters of a single mind. They intend to be criminals, and they succeed beyond their wildest dreams. Before the film's 107 minutes has run its course, Bonnie's Kids have blazed a trail of murder, robbery and soft-score sex. Scott Brady and Alex Rocco, both of whom looking befuddled if not downright embarrassed, costar.