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.
Wilkes, learning to control his abilities and change between corporeal and non-corporeal states, turns on Carter, demanding that Sousa reveal the location of the real uranium.
Carter and Sousa join Thompson, and, along with Edwin Jarvis and a new gamma cannon courtesy of Howard Stark, travel to the Isodyne atomic testing area.
In February 2016, Marvel announced that the eighth episode of the season would be titled "The Edge of Mystery", to be written by Brant Englestein, 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.