He prepared for the role by talking to officers and prisoners .
In the 2009 Spanish film Cell 211 , Ammann played Juan Oliver , a prison guard who gets mistaken for an inmate when the prison gets taken over by an inmate named Malamadre ( Luis Tosar ) .
Ammann prepared for the role by talking to officers and prisoners .
In the 2009 Spanish film Cell 211 , Ammann played Juan Oliver , a prison guard who gets mistaken for an inmate when the prison gets taken over by an inmate named Malamadre ( Luis Tosar ) .