<Li> Brian Dennehy as Dominic Wilkinson , Katarina 's father and Liz 's birth grandfather who blamed Reddington . He tasked Dom in hiding a box containing a key for an island off the coast of Brunei . Red explained he was trying to avoid coming back to Dom after the first time because of both the war with Kaplan and his need to protect Dom . He tells Dom that if he does n't return alive and Kaplan kills him , Red asks Dom to find Liz and tell the truth about him being her grandfather . In `` The Invisible Hand '' , after Liz questions him about his involvement as a Soviet spy , he calls Red to inform him that she is getting closer to the truth and that he needs to tell her soon . </Li>
<Li> Brian Dennehy as Dominic Wilkinson , Katarina 's father and Liz 's birth grandfather who blamed Reddington . He tasked Dom in hiding a box containing a key for an island off the coast of Brunei . Red explained he was trying to avoid coming back to Dom after the first time because of both the war with Kaplan and his need to protect Dom . He tells Dom that if he does n't return alive and Kaplan kills him , Red asks Dom to find Liz and tell the truth about him being her grandfather . In `` The Invisible Hand '' , after Liz questions him about his involvement as a Soviet spy , he calls Red to inform him that she is getting closer to the truth and that he needs to tell her soon . </Li>
who plays elizabeth keen 's grandfather on the blacklist
who plays elizabeth keen 's grandfather on the blacklist
Brian Dennehy
Brian Dennehy