Clark Gregg
Clark Gregg reprises his role as Coulson from the film series, and is joined by series regulars Ming-Na Wen, Brett Dalton, Chloe Bennet, Iain De Caestecker, Elizabeth Henstridge, Nick Blood, and Adrianne Palicki. Special guest star Jaimie Alexander portrays Sif, also reprising her role from the film series.