Cast and crew
IF (2024)
38 cast and 88 crew, as credited. Cast in billing order; crew by department.
Cast38
Cailey FlemingBea
Ryan ReynoldsCal
John KrasinskiDad / Marshmallow (voice)
Fiona ShawGrandmother
Steve CarellBlue (voice)
Phoebe Waller-BridgeBlossom (voice)
Louis Gossett Jr.Lewis (voice)
Alan KimBenjamin
Liza Colón-ZayasJanet
Bobby MoynihanJeremy
Catharine DaddarioBea’s Mom
Audrey HoffmanBea (Ages 3 & 5)- Laquet Sharnell PringleReceptionist
- Ed HerbstmanDeli Guy
- Barbara AndresWoman Upstairs
- Alexander RiveroCustodian
- Shauna PinkettHospital Receptionist
- Sa'Raya Paris Johnson7 Year-Old Girl
- Marta Siteiya MoipeiCoffee Shop Barista
- David WeissmannYoung Jeremy
AwkwafinaBubble (voice)
Emily BluntUnicorn (voice)
George ClooneySpaceman (voice)
Bradley CooperIce (voice)
Matt DamonFlower (voice)
Bill HaderBanana (voice)
Richard JenkinsArt Teacher (voice)
Keegan-Michael KeySlime (voice)
Blake LivelyOctopuss (voice)
Sebastian ManiscalcoMagician Mouse (voice)
Christopher MeloniCosmo (voice)
Matthew RhysGhost (voice)
Sam RockwellGuardian Dog (voice)
Maya RudolphAlligator (voice)
Amy SchumerGummy Bear (voice)
Allyson SeegerViola (voice)- Jon StewartRobot (voice)
- Craig CastaldoRadio Man (uncredited)
Crew88
Directing
- Woodrow TraversSecond Assistant Director
- Michael LermanFirst Assistant Director
- Brooke SatrazemisScript Supervisor
- John KrasinskiDirector
Writing
- John KrasinskiWriter
Production
- Andrew FormProducer
- Allyson SeegerProducer
- George DeweyExecutive Producer
- Ryan ReynoldsProducer
- John J. KellyExecutive Producer, Unit Production Manager
- Kimberly Nelson LoCascioExecutive Producer
- Alexa GinsburgCo-Producer
- Jennifer L. SmithCasting
- Tricia WoodCasting
- Lori ScowleyAssociate Producer
- Jeff RobinsonAssociate Producer
- Randy ManionUnit Production Manager
- Jess KiddCo-Producer
- Michael LermanCo-Producer
- John KrasinskiProducer
- Ralph BertelleExecutive In Charge Of Production
Camera
- Janusz KamińskiDirector of Photography
- Meg KettellSecond Unit Director of Photography
- Matthew Moriarty"A" Camera Operator, Steadicam Operator
- Sean P. GilbertUnderwater Camera
- Lonny DanlerDigital Imaging Technician
- Connie Huang"B" Camera Operator
- Jonny CournoyerStill Photographer
- Arnau Valls ColomerAdditional Director of Photography
Editing
- Andy CannyEditor
- Christopher RouseEditor
- Jay RabinowitzAdditional Editing
- Mark FitzgeraldFirst Assistant Editor
- Bryce MaddenAssistant Editor
- Andrew GearyColorist
Sound and music
- Michael GiacchinoOriginal Music Composer
- James MatherSupervising Sound Editor
- Erik AadahlSupervising Sound Editor
- Ethan Van der RynSupervising Sound Editor
- Brandon ProctorSound Re-Recording Mixer
- David J. SchwartzSound Mixer
- Graham GardnerBoom Operator
- Allison HoweBoom Operator
- Janek Finn PfefferBoom Operator
- Mike Prestwood SmithSound Re-Recording Mixer
- Mark TaylorSound Re-Recording Mixer
- Lee SalevanSound Re-Recording Mixer
- Jeff KrykaOrchestrator
- Curtis GreenConductor
- George DoeringMusician
Art
- Jess GonchorProduction Design
- Ashley WellbrockAssistant Set Decoration
- Adam MullSet Designer
- Mattie SiegalAssistant Set Decoration
- Kris MoranSet Decoration
- Bruno F. PanacciulliConstruction Coordinator
- Christopher J. MorrisSupervising Art Director
- Timothy MetzgerLeadman
- Zack GonchorArt Direction
Costume and make-up
- Jenny EaganCostume Design
- Kerrie SmithHair Department Head
- Jason J DoughertyHairstylist
Visual effects
- Jeremy BeadellVisual Effects Producer
- Craig CrawfordVisual Effects Supervisor
- Chris LawrenceVisual Effects Supervisor
- Arslan ElverAnimation Supervisor
- Conrad V. Brink Jr.Special Effects Supervisor
- Sian Rhys MorganVisual Effects Coordinator
- George ReachVisual Effects Producer
- Natalie MillerVisual Effects Producer
- Ovi NedelcuCharacter Designer
- Kelly ZoldakVisual Effects Production Manager
- George David ReaghVisual Effects Producer
- Monica RhoVisual Effects Producer
- Ankitsingh RathorCompositing Supervisor
Crew
- Louis Gossett Jr.In Memory Of
- Mandy MooreChoreographer
- Kyle WoodsStunt Coordinator
- Mike GuntherStunt Coordinator
- Lori ScowleyProduction Controller
- Chris ClementePost Production Supervisor
- Ken RobinsonThanks
- Curtis GreenAdditional Music
- Mark PettograssoStunt Coordinator
- Jordan LindbladVisual Effects Editor
- Jeff BrinkSpecial Effects Coordinator
- Alesha ForcheStunts
- Chris BarnesStunts