Warden was nominated for Academy Awards as Best Supporting Actor for his performances in "Shampoo" and "Heaven Can Wait". He also had notable roles in "Bye Bye Braverman", "The Man Who Loved Cat Dancing", "All the President's Men", "The White Buffalo", "...And Justice for All", "Being There", "Used Cars" (in which he played dual roles), "The Verdict", "Problem Child" and its sequel, as well as "While You Were Sleeping", "Guilty as Sin" and the Norm Macdonald comedy "Dirty Work". His final film was "The Replacements" in 2000, opposite Gene Hackman and Keanu Reeves.