In the midseason premiere, "Aftershocks," Coulson's team must deal with the consequences of their war with Hydra as shocking revelations threaten to tear them apart, and Hydra makes a dangerous move that may involve a traitor in S.H.I.E.L.D.'s midst.
"Marvel's Agents of S.H.I.E.L.D." stars Clark Gregg as Director Phil Coulson, Ming-Na Wen as Agent Melinda May, Brett Dalton as Grant Ward, Chloe Bennet as Agent Skye, Iain De Caestecker as Agent Leo Fitz, Elizabeth Henstridge as Agent Jemma Simmons, Nick Blood as Lance Hunter and Adrianne Palicki as Bobbi Morse.
Guest starring are Henry Simmons as Alphonso "Mack" Mackenzie, Ruth Negga as Raina, Adrian Pasdar as Brigadier General Glenn Talbot, Henry Goodman as Dr. Levy, Kyle Maclachlan as The Doctor, Jamie Harris as Gordon, Simon Kassianides as Sunil Bakshi, Donzaleigh Abernathy as Trip's mom, Philip Labes as young Gordon, Dichen Lachman as Jiaying, Alvin Ing as Yat-Sen, Fred Dryer as Octavian Bloom, Kathryn Leigh-Scott as The Baroness, Joel Polis as The Banker, Kyle David Pierce as accountant, Maz Siam as The Sheikh, McKay Stewart as scientist #1 and David A. Jansen as agent.