The other character shown interacting with him, known as Hader, is played by Aaron Abrams.
The 18 episodes inBlue Bloodsseason 14 will be split into two parts.
As the season progresses, many associated with the show will likely comment on its ending.
A police procedural set in New York City, Blue Bloods follows the lives of the Irish-American Reagan family, who has a strong family history and current powerful roles in the New York Police Department.