Clark Gregg Agent Phil Coulson Actor Ming-Na Wen Agent Melinda May Actor Chloe Bennet Daisy Johnson Actor Iain De Caestecker Agent Leo Fitz Actor Elizabeth Henstridge Agent Jemma Simmons Actor Henry Simmons Agent Alphonso "Mack" MacKenzie Actor John Hannah Holden Radcliffe Actor Natalia Cordova-Buckley Guest Star Jason O'Mara Guest Star Gabriel Luna Guest Star Mallory Jansen Guest Star Patrick Cavanaugh Guest Star José Zúñiga Guest Star Blaise Miller Guest Star Coleen Sullivan Guest Star Steve Suh Guest Star Joss Whedon Executive Producer Jed Whedon Executive Producer Maurissa Tancharoen Executive Producer Jeffrey Bell Executive Producer Jeph Loeb Executive Producer Paul Zbyszewski Writer Kevin Tancharoen Director