PRODUCTION ON LIONSGATE’S “THE SHACK” STARTS  Sam Worthington and Academy Award® Winner Octavia Spencer Star SANTA MONICA, CA (June 10, 2015) – Lionsgate (NYSE: LGF), a premier next generation global content leader, announced that principal photography has begun today on “THE SHACK” in Vancouver, Canada.  The film will be released by Lionsgate’s Summit Entertainment label. The film stars Sam Worthington (Avatar, Wrath of the Titans, Clash of the Titans), Academy Award®-winner Octavia Spencer (Best Supporting Actress, 2012 –The Help; The Divergent Series  film…