Four mathematicians are imprisoned in a shrinking room; with the walls closing in, they must try anything to escape this fatal puzzle.
Lluís Homar
Hilbert
Santi Millán
Pascal
Alejo Sauras
Galois
Federico Luppi
Fermat
Elena Ballesteros
Oliva
Helena Carrión
Bibliotecaria
Núria Badia
Recepcionista
Mar del Hoyo
Oliva's friend
Ariadna Cabrol
Chica
San Yélamos
Chica