Hayley Atwell reprises her role as Carter from the film series, and is joined by regular cast members James D'Arcy, Chad Michael Murray, and Enver Gjokaj.
Vernon Masters tries to interrogate Dottie Underwood, before Frost reassigns him to finding the uranium that Peggy Carter and company stole from the Roxxon Corporation bombs.
In February 2016, Marvel announced that the seventh episode of the season would be titled "Monsters", to be written by Brandon Easton, with Metin Hüseyin directing.
[1] In February 2016, Marvel revealed that main cast members Hayley Atwell, James D'Arcy, Enver Gjokaj, Wynn Everett, Reggie Austin, and Chad Michael Murray would star as Peggy Carter, Edwin Jarvis, Daniel Sousa, Whitney Frost, Jason Wilkes, and Jack Thompson respectively.
[1] It was also revealed that the guest cast for the episode would include Lotte Verbeek as Ana Jarvis, Bridget Regan as Dottie Underwood, Christopher Allen as Agent Ryan, Kurtwood Smith as Vernon Masters, Ken Marino as Joseph Manfredi, Arielle McFadden as nurse, Tom T. Choi as Doctor Chung and Myles Grier as man.