3 - TELEVISION NEWS TV Casting Round-Up: “Game Of Thrones” Actress Jessica Henwick Joins Marvel’s “Iron Fist” April 1, 2016 0 Jessica Henwick has won the lead female role as martial arts expert Colleen Wing in Netflix Marvel series Iron Fist. Plus, SNL alum Brooks Wheelan books a regular role on the Shondaland comedy Toast, and more in today’s TV casting round-up!