Ming-Na and
Clark Gregg are to be joined by Elizabeth Henstridge (The Thompsons, Shelter) and Iain De Caestecker (The Little Vampire, Up There) for the upcoming S.H.I.E.L.D. television series according to
The Hollywood Reporter. Henstridge will play Agent Gemma Simmons "a science whiz," and De Caestecker will be Agent Leo Fitz,"a technology guru." The report said that these two characters will be mostly fighting with each other and "are masters of their respective fields at a remarkably young age."
Shooting begins sometime in January. The pilot is written by Joss Whedon, his brother Jed and Jed's wife Maurissa Tancharoen. The report states that it may not be 100% for sure that Joss Whedon will direct (scheduling).