Sergio Rubini
— Antonio
Anouk Grinberg
— Antonio's mother
Tom Novembre
— Luca
Anita Caprioli
— Mara
Alessandra D'Elia
— Cinzia
Fabrizio Bentivoglio
— Uncle Nino
Paolo Villaggio
— Dr. Cagnano
Claudio Ammendola
— Young Antonio
Barbara Cupisti
— Dr. Calandra's secretary
Massimo De Lorenzo
— Antonio's father
Olimpia Di Maio
— Dr. Cagnano's mother
Ruggero Dondi
— Dr. Calandra
Angela Goodwin
— Ciuta
Lucia Migliucci
— Fiorenza
Alice Pepe
— Michela
Elisabetta Pellini
— Dr. De Rosa's assistant
Luca Pollini
— Antonio's son
Antonella Stefanucci
— Dr. Lotto's nurse
Franco Trevisi
— Beluga
Riccardo Zinna
— Dr. Lotto
Luca Ward
— Dr. De Rosa
Barbara De Lutzemberger
— Antonio's mother (voice)