Movie fact #404
The iconic line "Oh, my God, I've killed
Harry Potter!" in Harry Potter and the
Goblet of Fire (2005) wasn't originally in the script. It was genuine reaction from
Matthew Lewis (Neville) after he realized he gave Daniel Radcliffe (Harry) the wrong kind of weed directly causing the young actor's death on the set.
The main character in the next movies was portrayed by Elijah Wood.