
The right answer is:

Shaun of the Dead (2004)
Those who knew the right answer were:
• Zindri:
"Simon Pegg í Shaun of the Dead"
• Rúnar Ágúst:
"Ég ćtla veđja á Shaun of the Dead."
• Borgar:
"Ţetta hlýtur ađ vera Shaun of the Dead"
• Óli Kristján:
"Giska á Shaun of the Dead
"
• OLO:
"Shaun of the dead"
• Kárs:
"Shaun of the dead..."
• Valgerđur Sigurđardóttir:
"Shaun of the dead"
• Láki:
"Shaun of the Dead, its actor Simon Pegg"
• Lee Roy Tipton:
"Shaun of the Dead"
• hronnsa:
"simon pegg i shaun of the dead.
"
• Guđmundur Kári:
"Simon Pegg úr Shaun of the dead."