Rhimes noted that his return , unlike previous ones , were as Death and caused him to wear black clothes and speak sparingly .
Jeffrey Dean Morgan returned as Denny Duquette for a final appearance in the series .
Rhimes noted that Jeffrey Dean Morgan 's return , unlike previous ones , were as Death and caused him to wear black clothes and speak sparingly .
Jeffrey Dean Morgan returned as Denny Duquette for a final appearance in the series .