Jeffrey Wright The Watcher Voice Samuel L. Jackson Nick Fury Voice Jeremy Renner Clint Barton Voice Mark Ruffalo Bruce Banner Voice Tom Hiddleston Loki Voice Clark Gregg Phil Coulson Voice Jaimie Alexander Voice Frank Grillo Crossbones Voice Lake Bell Voice Mick Wingert Voice Bryan Andrews Director, Executive Producer A.C. Bradley Writer, Executive Producer Kevin Feige Executive Producer Victoria Alonso Executive Producer Louis D'Esposito Executive Producer Brad Winderbaum Executive Producer Matthew Chauncey Writer