'The Blacklist' Season 4 episode 18 spoilers: Red's associates are in danger as a bounty hunter targets them in 'Philomena'

James Spader RTX121X9 — Cast member James Spader participates in a panel for "The Blacklist" during the NBC sessions at the Television Critics Association summer press tour in Beverly Hills, California July 27, 2013. REUTERS/Phil McCarten

NBC's "The Blacklist" starring James Spader as Raymond "Red" Reddington, Megan Boone as Elizabeth Keen and Hisham Tawfiq as Dembe Zuma, will have an upcoming episode titled "Philomena." It will be about the Task Force chasing a bounty hunter that is out to get Reddington's closest associates. Read on for the latest "The Blacklist" episode guide.

Spoiler alert! This article contains 'The Blacklist' spoilers. Read on if you would like to know what happens before the new episode airs.

'The Blacklist' cast and guest stars in 'Philomena'

"The Blacklist" Season 4, episode 18, "Philomena" will feature Red's closest associates and a bounty hunter that's out to get them all, according to a press release from NBC. As soon as the Task Force gets wind of it, they gather up their resources to chase the hunter at all costs and prevent him from carrying out his deadly mission.

Meanwhile, Ressler (Diego Klattenhoff) will take on a new assignment which will have him working with his former colleague (Enrique Murciano). However, he will struggle with a moral dilemma while doing so.

The Internet Movie Database (IMDb) lists the following actors and actresses as guest stars of this episode: Kika Cicmanec (Mr. Kaplan's Female Muscle), Daniel Danielson (Motel Manager) and Frederick Weller (Joe Peracchio). Watch out for Christopher L. Graves (FBI Agent) and Bruce Sabath (Congressman Edelstein) who will also be seen in this episode.

'The Blacklist' episodes

The 18th episode of the NBC drama's fourth season follows the show's previous episode titled "Requiem," which aired in the US on Thursday. It was directed by Terrence O'Hara and written by Daniel Cerone. The next episode after "Philomena" is "Dr. Bogdan Krilov" and it will air on May 4.

'Blacklist' recap

"Requiem" featured several flashbacks to the 1960s, 1970s and 1980s which focused on Kaplan's (Susan Blommaert) perspective. It showed how Kaplan was hired by Katarina Rostova (Lotte Verbeek) to take care of her daughter Liz. They eventually become friends as the years went by.

It also featured some important scenes such as how she left Liz with her foster father Sam (William Sadler), how she met her first lover and how she first came across Red. The flashbacks were shown alongside scenes in the present time. In it, Red successfully tracked her down. She vowed that she'll do everything in her power to bring Red down and get the revenge she seeks.

"The Blacklist" TV series airs in Australia on Channel 7 every Sunday from 10:30-11:30 pm and on Thursdays from 11:30-12:30 am on 7flix. It is also shown in the US from 10-11 pm EST on NBC.