ABC has announced that the premiere of Marvel‘s Agents of S.H.I.E.L.D. will be packed with guest stars. They’ve also announced what we should expect for the first episode titled “Shadow.”

“Shadows” – Coulson and his team are now wanted fugitives with limited resources — but that’s not stopping them from keeping the world safe from powerful and unseen threats everywhere. However, with new members they hardly know, will S.H.I.E.L.D. ever be trusted again?  Watch “Marvel’s Agents of S.H.I.E.L.D.” at its new time, TUESDAY, SEPTEMBER 23 (9:00-10:00 p.m., ET) on the ABC Television Network.

“Marvel’s Agents of S.H.I.E.L.D.” stars Clark Gregg as Agent Phil Coulson, Ming-Na Wen as Agent Melinda May, Brett Dalton as Grant Ward, Chloe Bennet as Skye, Iain De Caestecker as Agent Leo Fitz, Elizabeth Henstridge as Agent Jemma Simmons and Nick Blood as Lance Hunter.

Guest starring are B.J. Britt as Agent Antoine Triplett, Nick Blood as Agent Lance Hunter, Adrian Pasdar as Brigadier General Glenn Talbot, Henry Simmons as Alphonso “Mack” Mackenzie, Patton Oswalt as Agent Billy Koenig, Lucy Lawless as Isabelle “Izzy” Hartley, Wilmer Calderon as Idaho, Reed Diamond as Daniel Whitehall, Hayley Atwell as Peggy Carter, Brian Patrick Wade as Carl Creel, Matthew Glave as Roger Browning, Simon Kassianides as Sunil Bakshi, George Stephanopoulos as self, Raquel Gardner as Carla Talbot, Ben Turner Nixon as Hydra Officer, Franco Vega as Military Leader, Rich Ceraulo as Soldier #1, and JB Tadena as Private Tilden.

”Shadows” was written by Jed Whedon & Maurissa Tancharon and directed by Vincent Misiano.

The first season of the show was a bit all over as far as quality, but absolutely improved during the latter half. Who’s looking forward to the new season?