Q:Extract the answer to the following question from the movie plot. If the question isn't answerable, please output "Can't answer". Question: Who plays Joe? Title: Super 8 Movie plot: In 1979, Deputy Sheriff Jack Lamb (Kyle Chandler) of Lillian, Ohio, and his 14-year-old[3] son Joe (Joel Courtney), mourn the death of his mother Elizabeth (Caitriona Balfe) in a steel mill accident.[4] Jack blames her co-worker, Louis Dainard (Ron Eldard), as she was covering his shift while he recovered from a hangover, and all Joe has left is a locket that belonged to her, that he now holds on to. Four months later, Joe's best friend Charles Kaznyk (Riley Griffiths) decides to make a low-budget zombie movie for an international film competition. Charles enlists the help of Preston Scott (Zach Mills), Martin Read (Gabriel Basso), and Cary McCarthy (Ryan Lee), as well as Dainard's daughter, Alice (Elle Fanning). Though their fathers would be furious, Joe and Alice become infatuated with each other. Charles has them film a scene at a train depot at midnight. While they are rehearsing, a train approaches, and Charles has them start filming as the train passes to add 'production value'. While filming, Joe witnesses a pickup truck drive onto the tracks and ram the train, causing a massive derailment that destroys the train, the depot and the surrounding area, and the friends barely survive. The children investigate the wreck and find crates full of strange white cubes, then discover the truck's driver is Dr. Woodward (Glynn Turman), their biology teacher. Woodward, barely alive, warns them at gunpoint to forget what they saw that night, or else they and their parents will be killed. The children flee the scene just as a convoy from the local U.S. Air Force base, led by Col. Nelec (Noah Emmerich), arrive at the scene. Nelec discovers an empty Super 8mm film box, and assumes the event was purposely captured on camera. While Joe and Charles wait for their film to be developed, the town experiences strange events: All the dogs run away, several townspeople go missing, the electrical power fluctuates and electronic items from all over are stolen. Overhearing military communications, Jack approaches Nelec to address...
A:
Joel Courtney