Darkly 's frustration intensifies when Clay ( Viggo Mortensen ) returns home after being away for a few days .
Clay ( Viggo Mortensen ) is callie 's mute boyfriend who builds the coffins Jude sells .
Darkly 's frustration intensifies when Clay ( Viggo Mortensen ) , Callie 's mute boyfriend who builds the coffins Jude sells , returns home after being away for a few days .