• 
  Luis Piedrahita

  regizor
• 
  Rodrigo Sopena

  regizor

• 
  Luis Piedrahita

  scenarist
• 
  Rodrigo Sopena

  scenarist

• 
  Lluís Homar

  Hilbert
• 
  Alejo Sauras

  Galois
• 
  Elena Ballesteros

  Oliva
• 
  Santi Millan

  Pascal

• 
  Federico Luppi

  Fermat
• 
  Núria Badia

  Recepcionist
• 
  Santi Millán

  Pascal
• 
  Josep Minguell

  Doctor
• 
  Alicia Fernández

  Girl
• 
  Víctor Benjumea

  Gas Station Attendant
• 
  Ariadna Cabrol

  Girl

• 
  Helena Carrión

  Librarian
• 
  Juanma Falcón

  Boy
• 
  Adam Nached

  Boy
• 
  San Yélamos

  Girl
• 
  Cesc Cornet

  Boy
• 
  Maria Piedrahita

  Fermat's Daughter