Warden's film credits include "From Here to Eternity", "Edge of the City", "12 Angry Men", "Run Silent, Run Deep", "Donovan's Reef", "All the President's Men", "The Champ", "...And Justice For All", "Being There", "Problem Child", "Bullets Over Broadway", "Mighty Aphrodite", "Things to Do in Denver When You're Dead", "Ed", "Bulworth", and "The Replacements". He received Academy Award nominations for his supporting roles in "Shampoo" and "Heaven Can Wait", and won an Emmy Award for his performance in the television film "Brian's Song".