From the imagination of writer-director John Krasinski, enter a world you have to believe to see. IF is a live-action/cg-animation hybrid family comedy about a young girl who discovers that she can see everyone's imaginary friends - and what she does with that superpower - as she embarks on a magical adventure to reconnect forgotten IFs with their kids. IF stars Ryan Reynolds, John Krasinski, Cailey Fleming, Fiona Shaw, and the voices of Matt Damon, Phoebe Waller-Bridge, Emily Blunt, Sam Rockwell, Steve Carell, and many more as the wonderfully unique characters that reflect the incredible power of a child's imagination