Jacob TremblayLuca Paguro (voice) Jack Dylan GrazerAlberto Scorfano (voice) Emma BermanGiulia Marcovaldo (voice) Saverio RaimondoErcole Visconti (voice) Maya RudolphDaniela Paguro (voice) Marco BarricelliMassimo Marcovaldo (voice) Jim GaffiganLorenzo Paguro (voice) Peter SohnCiccio (voice) / Executive Producer Lorenzo CrisciGuido (voice) Marina MassironiSignora Marsigliese (voice) Gino La MonicaTomasso (Old Fisherman) (voice) Sandy MartinGrandma Paguro (voice) Giacomo GianniottiGiacomo (Young Fisherman) (voice) Elisa GabrielliConcetta Aragosta (voice) Mimi MaynardPinuccia Aragosta (voice) Sacha Baron CohenUncle Ugo (voice) Francesca FantiMaggiore (Cop) (voice) Jonathan Nichols-NavarroPriest (voice) Enrico CasarosaCard Player / Angry Fisherman (voice) / Regisseur / Story Jim PirriMr. Branzino (voice) Arturo SorinoAdditional Voices (voice) Enrico CasarosaCard Player / Angry Fisherman (voice) / Regisseur / Story Peter SohnCiccio (voice) / Executive Producer Kiri HartExecutive Producer Pete DocterExecutive Producer Daniela StrijlevaProduction Design David Juan BianchiDirector Of Photography Kim WhiteDirector Of Photography Amy L. AllenSet Dressing Artist Kelly BonbrightScript Supervisor Rayna HelgensScript Supervisor Jessica KatzEditorial Coordinator Paloma RodriguezAssistant Editor Jesus MartinezDailies Manager Justin DoyleSound Effects Editor Chris ScarabosioSound Designer Dan RomerOriginal Music Composer Pascal GarneauSound Effects Editor Terri DouglasAdr Voice Casting Kate Hansen-BirnbaumCasting Associate Daniela KristonResearcher Bruna BerfordFix Animator Daniel A. RodriguezAnimation Luis Carlos UribeAnimation Kirsten YamaguchiFix Animator Michael VenturiniAnimation Supervisor David RyuVisual Effects Supervisor Julie LynnStory Consultant Randall GreenStory Consultant John HoffmanStory Supervisor James S. BakerStory Artist