What if everything you believed in as a kid was real? From the imagination of John Krasinski, enter a world you have to believe to see. Written and directed by Krasinski and featuring a star-studded cast that includes Ryan Reynolds, Krasinski, Steve Carell, Matt Damon, Jon Stewart, Phoebe Waller-Bridge, Emily Blunt, Maya Rudolph, Sam Rockwell, Christopher Meloni, Richard Jenkins, Awkwafina, Louis Gossett Jr. and Cailey Fleming (The Walking Dead), IF is coming soon in cinemas. Watch the trailer: