Keanu Reeves in "John Wick."LionsgateEva Longoria saved "John Wick" by providing crucial gap financing at the last minute.The film faced a financial crisis, risking shutdown before Longoria's intervention.Longoria's investment paid off when "John Wick" became a box-office success."John Wick" is regarded today as a modern action classic. As it turns out, Eva Longoria played a large part in making that happen.A decade ago, when directors Chad Stahelski and David Leitch were putting the final touches on the Keanu Reeves revenge movie, they received news no filmmaker wants to hear: the production had run out of money."We were less than a week out and we lost almost $6 million on a gap financing," Stahelski told Business Insider in an interview celebrating the movie's tenth anniversary.