John Krasinski's 'IF' Premieres with Star-Studded Cast

The family-friendly film features imaginary friends and reunites Krasinski with Steve Carell, alongside Ryan Reynolds and Emily Blunt.

John Krasinski wrote the role of Blue specifically for Steve Carell, drawing on their friendship and Carell's unique qualities.
The film combines live-action and animation to tell the story of a girl who can see imaginary friends and helps reunite them with their former kids.
Ryan Reynolds, Matt Damon, and Emily Blunt also star in the movie, which opens in theaters on Friday.
The premiere in New York City saw appearances from the film's major stars and their families, highlighting the film's family-centric theme.
Krasinski involved his own children in the creative process, incorporating their imaginary friends into the movie.