Here’s who appeared in CBS police procedural’s latest chapter

Boston Blue Episode 19 aired on CBS on May 15. The official synopsis for the penultimate episode of the Blue Bloods’ spin-off series titled ‘Chasing Monsters’ reads as follows:

“A deadly threat strikes close to home, pulling Lena, Danny and the team into an intense investigation. Mae faces a political and personal reckoning, prompting a revelation that pushes Lena toward a life-changing decision.”

The Boston Blue Episode 19 cast is an impressive mix of the series’ main characters and many new faces who added fresh twists and turns to the narrative as it heads into its Season 1 finale, scheduled to air on May 22.

Chasing Monsters‘ saw Danny, Lena, Sean and the Boston PD against a ruthless stalker who was targeting police officers and had threatened to kill all 2172 active officers in the BPD. The incident was especially triggering for Sean, after one of his friends, Steve, died in the line of duty and became the killer’s first target.

Here is the complete cast.


Boston Blue Episode 19 cast: Meet the main players who brought ‘Chasing Monsters’ to life

Donnie Wahlberg as Boston Police Department detective Danny Reagan: The Blue Bloods alum led Boston Blue ‘Chasing Monsters’. The latest entry saw Danny handling a challenging case when one of their own was killed in the line of duty, sending his son on a guilt trip. While Danny paired up with Lena and Boston PD to find the stalker who was targeting cops, his son spiraled into guilt and anger, setting up a challenge for him.

Sonequa Martin-Green as Lena Silver: The rising star and Boston police detective continued to struggle with the truth about her biological father and half-sister in Boston Blue ‘Chasing Monsters.’ The recent stalker targeting cops hit too close to home for the Silver family, who lost Ben in the line of duty. The incident led to an honest conversation between Lena and her mother, which brought many hidden truths about Mae’s life to light.

Gloria Reuben as Mae Silver: The ER alum is the next main addition to the Boston Blue Episode 19 cast. The penultimate entry was especially harrowing for Mae, who juggled between her professional and personal problems. The episode saw Mae instructing her subordinate to charge a teenager with involuntary manslaughter instead of murder. However, the subordinate filed the murder charge anyway to gain a political advantage, endangering her upcoming DA election.

Mika Amonsen as Sean Reagan: Amonsen is the next main addition to the Boston Blue ‘Chasing Monsters’ cast. The latest entry explored Sean’s survivor’s guilt after two of his friends and fellow cops were shot in the line of duty while guarding his and Jonah’s post. The episode drove Sean to the edge and he unleashed his anger on the suspect, forcing Danny to step in and calm his son. As the procedural approached its finale, it finally delivered a well-deserved spotlight moment for Sean.


Here’s the supporting and guest cast in Boston Blue ‘Chasing Monsters’

A still from 'Chasing Monsters' (Image via Instagram/@bostonbluecbs)A still from 'Chasing Monsters' (Image via Instagram/@bostonbluecbs)
A still from ‘Chasing Monsters’ (Image via Instagram/@bostonbluecbs)

In addition to the main cast, the penultimate entry featured stars Ernie Hudson as Reverend Edwin Peters, Maggie Lawson as Sarah Silver and Marcus Scribner as Jonah Silver in supporting roles.

Rounding out the cast for the penultimate episode are guest stars Erik King as Lena’s father, Chris Williams, Alisha Wainwright as Lena’s half-sister Kristina Reed, Brad Hodder as Steve and Ward Horton as a lawyer and Mae’s subordinate who neglected her orders to gain a political advantage.

You can stream Boston Blue ‘Chasing Monsters’ on Paramount+.


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