In February 2015, Marvel announced that the thirteenth episode of the season would be titled "One of Us", to be written by Monica Owusu-Breen, with Kevin Tancharoen directing [REF].
In February 2015, Marvel revealed that main cast members Clark Gregg, Ming-Na Wen, Chloe Bennet, Iain De Caestecker, Elizabeth Henstridge, Nick Blood, and Adrianne Palicki would star as Phil Coulson, Melinda May, Skye, Leo Fitz, Jemma Simmons, Lance Hunter, and Bobbi Morse, respectively [REF].