Evading Hydra agents, Coulson returns to the Playground and interrogates Melinda May, Daisy Johnson, Leo Fitz and Jemma Simmons about their time working with Ward on the Bus, hoping to find his weaknesses and exact his revenge.
While Mack marshals a taskforce (including Lincoln Campbell and Joey Gutierrez) to launch an assault on the castle, Coulson, Hunter, and Morse get there first in their Quinjet, just as Malick opens the portal using the Monolith pieces.
In November 2015, Marvel announced that the ninth episode of the season would be titled "Closure", to be written by Brent Fletcher, with Kate Woods directing.
[1] In November 2015, Marvel revealed that main cast members Clark Gregg, Ming-Na Wen, Brett Dalton, Chloe Bennet, Iain De Caestecker, Elizabeth Henstridge, Nick Blood, Adrianne Palicki, Henry Simmons, and Luke Mitchell would star as Phil Coulson, Melinda May, Grant Ward, Daisy Johnson, Leo Fitz, Jemma Simmons, Lance Hunter, Bobbi Morse, Alphonso "Mack" Mackenzie, and Lincoln Campbell, respectively.
[1] It was also revealed that the guest cast for the episode would include Constance Zimmer as Rosalind Price, Juan Pablo Raba as Joey Gutierrez, Andrew Howard as Luther Banks, Powers Boothe as Gideon Malick, Mark Dacascos as Mr. Giyera and Tyler Ritter as Thomas Ward.
[2][3][4] Ritter's character, the younger brother of Grant Ward, previously appeared as a young boy through flashbacks in "The Well", portrayed by Micah Nelson.