- Three are dead. Who is Number Four? From director D.J. Caruso and producer Michael Bay comes this gripping, action-packed thriller. John Smith (Alex Pettyfer) is an extraordinary teen masking his true identity to elude a deadly enemy sent to destroy him. Living with his guardian (Timothy Olyphant) in the small town he now calls home, John encounters unexpected, life-changing events: his first love, powerful new abilities and a secret connection to the others who share his incredible destiny.