
As a child, Jack was told his brother Gio possessed superpowers, a comforting fantasy his parents created. Now, on the cusp of high school, Jack struggles to reconcile that childhood belief with reality, feeling embarrassed by Gio. This discomfort intensifies when he meets Arianna, the girl he wants to impress, forcing him to confront his feelings about his brother and the family lie that shaped his early years.
Does My Brother Chases Dinosaurs have end credit scenes?
No!
My Brother Chases Dinosaurs does not have end credit scenes. You can leave when the credits roll.
Explore the complete cast of My Brother Chases Dinosaurs, including both lead and supporting actors. Learn who plays each character, discover their past roles and achievements, and find out what makes this ensemble cast stand out in the world of film and television.

Rossy de Palma
Auntie Rock / Zia Dolores

Saul Nanni
Brune

Francesco Gheghi
Jack Mazzariol

Isabella Ragonese
Katia Mazzariol

Alessandro Gassmann
Davide Mazzariol

Roberto Nocchi
Vittorio detto Vitto

Iván Sánchez
Doctor

Gea Dall'Orto
Chiara Mazzariol

Maria Vittoria Dallasta
Alice Mazzariol

Lorenzo Sisto
Giovanni Mazzariol detto Gio

Edoardo Pagliai
Scar

Arianna Becheroni
Arianna

Gabriele Scopel
Pisone
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Read the complete plot summary of My Brother Chases Dinosaurs, including all major events, twists, and the full ending explained in detail. Explore key characters, themes, hidden meanings, and everything you need to understand the story from beginning to end.
Giacomo “Jack” is a curious child who grows up in Pieve di Cento, living with his parents Davide and Katia, and his older sisters Chiara and Alice. One day he learns he will soon have a baby brother, Giovanni “Giò”. When Giovanni “Giò” is born, the family discovers he has Down syndrome. At first, Jack is happy, imagining his little brother as a superhero, but as time passes he realizes his parents have led him to expect something different from reality.
Years later, Jack must choose a high school with Vittorio—his best friend. In this new chapter, Jack meets Arianna and falls in love, deciding to enroll in the same school to win her attention. He also aims to fit in with the crowd by joining the band of the two boys he admires most, even as he struggles with a persistent shyness that makes him reluctant to talk about his family situation. The pressure to appear “normal” pushes Jack to keep his brother’s existence hidden, and the silence around Giovanni gradually grows into a bigger, damaging lie.
As the year unfolds, Jack discovers that the band he joined has a YouTube channel, a detail he shares with his family. Little Giovanni starts making videos too, helped by Vittorio, and the brothers’ online presence becomes a source of both pride and fear. Jack confronts a troubling moment when some classmates stumble upon the videos; he deletes them and blames a non-existent neo-Nazi group to protect his family from scrutiny. The incident triggers a broader response at home and at school, culminating in a protest organized by the Mazzariol family to challenge the supposed neo-Nazi movement. Jack, Arianna, and their classmates participate in this demonstration, forcing the case into the open and testing the bonds that hold the siblings and friends together.
Throughout the story, the dynamic between Jack, his sister Chiara, and his sister Alice, alongside his parents, frames a quiet but powerful exploration of honesty, belonging, and the courage it takes to tell the truth. The film uses intimate moments—between a boy and his best friend, between lovers, and within a family—to paint a portrait of adolescence colored by love, fear, and the sometimes painful clarity that comes with growing up.

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