IF

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)

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))

José Garcia

((voice) (uncredited))

Mylène Farmer

((voice) (uncredited))

Marina Foïs

((voice) (uncredited))

Clément Remiens

((voice) (uncredited))