Chris Evans (Steve Rogers / Captain America), Robert Downey Jr. (Tony Stark / Iron Man), Scarlett Johansson (Natasha Romanoff / Black Widow), Sebastian Stan (Bucky Barnes / Winter Soldier), Don Cheadle (Lieutenant James Rhodes / War Machine), Anthony Mackie (Sam Wilson / Falcon), Jeremy Renner (Clint Barton / Hawkeye), Chadwick Boseman (T'Challa / Black Panther), Paul Bettany (Vision), Elizabeth Olsen (Wanda Maximoff / Scarlet Witch), Emily VanCamp (Sharon Carter / Agent 13), Frank Grillo (Brock Rumlow / Crossbones), Paul Rudd (Scott Lang / Ant-Man), Tom Holland (Peter Parker / Spider-Man), William Hurt (US-Außenminister Thaddeus Ross), John Slattery (Howard Stark), John Kani (König T'Chaka), Gene Farber (Karpov), Florence Kasumba (Sicherheitschefin), Martin Freeman (Everett K. Ross), Alfre Woodard (Miriam), Daniel Brühl (Helmut Zemo), Marisa Tomei (May Parker), Michael A. Cook (MRI-Techniker), Laughton Parchment (Vikar)