who are the cast members?
The main members are Clark Gregg, Ming-Na Wen, Chloe Bennet, Iain De Caestecker, Elizabeth Henstridge and Henry Simmons.
Agents of S.H.I.E.L.D. (season 4)
Main cast members Clark Gregg, Ming-Na Wen, Chloe Bennet, Iain De Caestecker, Elizabeth Henstridge and Henry Simmons return from previous seasons as Phil Coulson, Melinda May, Daisy Johnson / Quake, Leo Fitz, Jemma Simmons, and Alphonso "Mack" MacKenzie, respectively. They are joined by John Hannah as Holden Radcliffe, promoted from his third season recurring role. 
how many episodes are in season 4 of agents of shield 22 what is this series based on? It is based on the Marvel Comics organization S.H.I.E.L.D., a peacekeeping and spy agency in a world of superheroes. who are the agents of this organization? It is led Nick Fury as executive director. He reports to a twelve-member council, whose identities even he does not know. what does the acronym stands for? It stood for Supreme Headquarters, International Espionage and Law-Enforcement Division. what are the powers and abilities of the agent you mentioned? He can halt his age. He can be active despite being nearly a century old. what was his profession before entering this organization? A CIA agent. where was the season 4 that we discussed filmed? It is set in the Marvel Cinematic Universe. on which network was it aired? ABC
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Agents of S.H.I.E.L.D. (season 4) [SEP] Casting
Main cast members Clark Gregg, Ming-Na Wen, Chloe Bennet, Iain De Caestecker, Elizabeth Henstridge and Henry Simmons return from previous seasons as Phil Coulson, Melinda May, Daisy Johnson / Quake, Leo Fitz, Jemma Simmons, and Alphonso "Mack" MacKenzie, respectively. They are joined by John Hannah as Holden Radcliffe, promoted from his third season recurring role. Within the Framework reality, Daisy is referred to by her original name, Skye, while Fitz is also known as "The Doctor". Also returning from earlier in the series are Natalia Cordova-Buckley as Elena "Yo-Yo" Rodriguez, Axle Whitehead as J.T. James / Hellfire, Adrian Pasdar as Glenn Talbot, Ava Acres as Katya Belyakov, Patton Oswalt as Billy, Sam and Thurston Koenig, and Briana Venskus, Maximilian Osinski, and Alexander Wraith as Agents Piper, Davis, and Anderson, respectively.