IF - Cast



John Krasinski

as Marshmallow (voice)


Fiona Shaw

as Grandmother


Phoebe Waller-Bridge

as Blossom (voice)


Louis Gossett, Jr.

as Lewis (voice)


Alan Kim

as Benjamin



Steve Carell

as Blue (voice)


Awkwafina

as Bubble (voice)


Emily Blunt

as Unicorn (voice)


Matt Damon

as Flower (voice)


Richard Jenkins

as Art Teacher (voice)


Sebastian Maniscalco

as Magician Mouse (voice)


Christopher Meloni

as Cosmo (voice)


Sam Rockwell

as Guardian Dog (voice)


Maya Rudolph

as Alligator (voice)


Jon Stewart

as Robot (voice)


George Clooney

as Spaceman (voice)


Bradley Cooper

as Ice (voice)


Keegan-Michael Key

as Slime (voice)


Blake Lively

as Octopuss (voice)


Matthew Rhys

as Ghost (voice)


Amy Schumer

as Gummy Bear (voice)


  Change Location