IF

Cailey Fleming

as

Bea

Ryan Reynolds

as

Cal

John Krasinski

as

Dad / Marshmal...

Fiona Shaw

as

Grandmother

Steve Carell

as

Blue (voice)

Phoebe Waller-...

as

Blossom (voice)

Louis Gossett ...

as

Lewis (voice)

Alan Kim

as

Benjamin

Liza Colón-Zay...

as

Janet

Bobby Moynihan

as

Jeremy

Catharine Dadd...

as

Bea’s Mom

Audrey Hoffman

as

Bea (Ages 3 & ...

Laquet Sharnel...

as

Receptionist

Ed Herbstman

as

Deli Guy

Barbara Andres

as

Woman Upstairs

Alexander Rive...

as

Custodian

Shauna Pinkett

as

Hospital Recep...

Sa'Raya Paris ...

as

7 Year-Old Girl

Marta Siteiya ...

as

Coffee Shop Ba...

David Weissmann

as

Young Jeremy

Awkwafina

as

Bubble (voice)

Emily Blunt

as

Unicorn (voice)

George Clooney

as

Spaceman (voic...

Bradley Cooper

as

Ice (voice)

Matt Damon

as

Flower (voice)

Bill Hader

as

Banana (voice)

Richard Jenkins

as

Art Teacher (v...

Keegan-Michael...

as

Slime (voice)

Blake Lively

as

Octopuss (voic...

Sebastian Mani...

as

Magician Mouse...

Christopher Me...

as

Cosmo (voice)

Matthew Rhys

as

Ghost (voice)

Sam Rockwell

as

Guardian Dog (...

Maya Rudolph

as

Alligator (voi...

Amy Schumer

as

Gummy Bear (vo...

Allyson Seeger

as

Viola (voice)

Jon Stewart

as

Robot (voice)

Craig 'Radio M...

as

Radio Man (unc...

José Garcia

as

(voice) (uncre...

Mylène Farmer

as

(voice) (uncre...

Marina Foïs

as

(voice) (uncre...

Clément Remiens

as

(voice) (uncre...