Jacob Tremblay Luca Paguro (voice) Jack Dylan Grazer Alberto Scorfano (voice) Emma Berman Giulia Marcovaldo (voice) Saverio Raimondo Ercole Visconti (voice) Maya Rudolph Daniela Paguro (voice) Marco Barricelli Massimo Marcovaldo (voice) Jim Gaffigan Lorenzo Paguro (voice) Peter Sohn Ciccio (voice) Marina Massironi Signora Marsigliese (voice) Luigi La Monica Tomasso (Old Fisherman) (voice) Sandy Martin Grandma Paguro (voice) Giacomo Gianniotti Giacomo (Young Fisherman) (voice) Elisa Gabrielli Concetta Aragosta (voice) Mimi Maynard Pinuccia Aragosta (voice) Sacha Baron Cohen Uncle Ugo (voice) Francesca Fanti Maggiore (Cop) (voice) Jonathan Nichols Priest (voice) Enrico Casarosa Card Player / Angry Fisherman (voice) Jim Pirri Mr. Branzino (voice)