Acting Michael Lang Acting Karen Dalton: In My Own Time Self 2021 Woodstock 99: Peace, Love, and Rage Self 2021 Woodstock: Three Days That Defined a Generation Self (voice) 2019 Joe Cocker: Mad Dog with Soul Self 2017 Jimi Hendrix: The Road to Woodstock Self 2014 Jimi Hendrix: Hear My Train a Comin' Self - Festival Promoter 2013 Saint Misbehavin': The Wavy Gravy Movie Self - Woodstock Creator & Producer 2010 Night of the Demon (uncredited) 1980 Gimme Shelter Self 1970 Woodstock Self - Executive Producer of Woodstock Festival 1970 Other Credits Woodstock: Now & Then Executive Producer 2009 Agent-readable