J Acting Jacob Trnka No biography available. ↗ Share Known For‹Knock On GoodKnock On GoodMovieComedyWhen Cameron, 17, misinterprets the expression "knock on wood," she becomes obsessed with knocking her head for extraordinary luck.▶+› FilmographySortPopularNewestTop ratedKnock On GoodKnock On GoodMovieComedyWhen Cameron, 17, misinterprets the expression "knock on wood," she becomes obsessed with knocking her head for extraordinary luck.▶+Production Assistant
