"If" is a live-action/animation hybrid fantasy comedy written, produced and directed by John Krasinski. The cast features the live action performances of Cailey Fleming, Ryan Reynolds, Krasinski, Fiona Shaw, Alan Kim and Liza Colón-Zayas, and the voices of Phoebe Waller-Bridge, Emily Blunt, Matt Damon, Bradley Cooper, Awkwafina, Bill Hader, George Clooney, Richard Jenkins, Blake Lively,