IF - Cast

Cailey Fleming

Cailey Fleming

as Bea



John Krasinski

as Marshmallow (voice)


Fiona Shaw

as Grandmother


Phoebe Waller-Bridge

as Blossom (voice)


Louis Gossett, Jr.

as Lewis (voice)


Alan Kim

Alan Kim

as Benjamin


Liza Colón-Zayas

Liza Colón-Zayas

as Janet


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

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)


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