Documentary · United States of America · 2004 · 23m Mystic River: Beneath the Surface ✓ Seen + Watchlist ↗ Share No poster Director Cast Sean Penn as Self Dennis Lehane as Self Clint Eastwood as Self Laura Linney as Self Tim Robbins as Self Marcia Gay Harden as Self Synopsis Documentary on the making of 'Mystic River'. Key Collaborators Follow the Thread More Documentary → Agent-readable