Luca and his best friend Alberto experience an unforgettable summer on the Italian Riviera. But all the fun is threatened by a deeply-held secret: they are sea monsters from another world just below the water’s surface.

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  • 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)

  • Lorenzo Crisci

    Guido (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)

  • Bukag Prince

    Supporting Characters (voice)