IF: Cast
Cailey Fleming
Bea
Ryan Reynolds
Cal
John Krasinski
Dad / Marshmallow (voice)
Fiona Shaw
Grandmother
Steve Carell
Blue (voice)
Phoebe Waller-Bridge
Blossom (voice)
Louis Gossett Jr.
Lewis (voice)
Alan Kim
Benjamin
Liza Colón-Zayas
Janet
Bobby Moynihan
Jeremy
Catharine Daddario
Bea’s Mom
Audrey Hoffman
Bea (Ages 3 & 5)
Laquet Sharnell Pringle
Receptionist
Ed Herbstman
Deli Guy
Barbara Andres
Woman Upstairs
Alexander Rivero
Custodian
Shauna Pinkett
Hospital Receptionist
Sa'Raya Paris Johnson
7 Year-Old Girl
Marta Siteiya Moipei
Coffee Shop Barista
David Weissmann
Young Jeremy
Awkwafina
Bubble (voice)
Emily Blunt
Unicorn (voice)
George Clooney
Spaceman (voice)
Bradley Cooper
Ice (voice)
Matt Damon
Flower (voice)
Bill Hader
Banana (voice)
Richard Jenkins
Art Teacher (voice)
Keegan-Michael Key
Slime (voice)
Blake Lively
Octopuss (voice)
Sebastian Maniscalco
Magician Mouse (voice)
Christopher Meloni
Cosmo (voice)
Matthew Rhys
Ghost (voice)
Sam Rockwell
Guardian Dog (voice)
Maya Rudolph
Alligator (voice)
Amy Schumer
Gummy Bear (voice)
Allyson Seeger
Viola (voice)
Jon Stewart
Robot (voice)
Craig 'Radio Man' Castaldo
Radio Man (uncredited)