(written from a Production point of view)
Rivers is now a leading activist against domestic violence against women and children. He is the national spokesman for the National Network to End Domestic Violence.
He has acted in motion pictures such as Twin Peaks: Fire Walk With Me, Fear City (with Emilia Crow), 8 Million Ways to Die (with James Avery), Last Resort (with Ian Abercrombie), Cat Chaser (with Peter Weller), One Good Cop (with Tony Plana and Kevin Conway), Nixon (with Paul Sorvino, Michelle Krusiec, Annette Helde, Robert Beltran, Saul Rubinek and Tony Plana again), The Mask of Zorro and Hulk.
In 1999, Rivers along with Larry Cedar, Brian George and Paul Winfield did voice work for an episode of Batman Beyond. He did voice work for another episode that year with James B. Sikking and Brian Tochi. He did voice work for a couple more episodes in 2000, with the second one involving voice work from Corey Burton and Keith Szarabajka.