Cantwell, Christopher: - Christopher Cantwell is an American writer, producer, and director who has worked in television, film, and comic books. He is best known as one of the two co-creators of the TV series Halt and Catch Fire, for which he also served as a producer, showrunner, screenwriter, and director. He also directed the 2019 film The Parts You Lose.[1] Cantwell is writing for the comic books The Blue Flame, She Could Fly, Everything, Doctor Doom, The Mask, Iron Man, and Captain America, and will serve as an executive producer of the television adaptation of the comic book Paper Girls.