MacLachlan has joined Darren Mann, Maria Bello, Josh Wiggins and Taylor Hickson in the film, which is currently being shot in northern Ontario, according to The Hollywood Reporter.
"GLO", also known as "The Giant Little Ones" is based on a script by Behrman. It follows the lives of two popular teenage boys and best friends since childhood, as their lives and families are surprisingly upended after an unexpected incident during a 17th birthday party.