Elenco:
Chris Hemsworth … Thor
Scarlett Johansson … Natasha Romanoff / Black Widow
Cobie Smulders … Maria Hill
Jeremy Renner … Clint Barton / Hawkeye
Robert Downey Jr. … Tony Stark / Iron Man
Chris Evans … Steve Rogers / Captain America
Samuel L. Jackson … Nick Fury
Tom Hiddleston … Loki
Mark Ruffalo … Bruce Banner / The Hulk
Gwyneth Paltrow … Pepper Potts
Stellan Skarsgård … Professor Erik Selvig
Paul Bettany … Jarvis (voz)
Lou Ferrigno … The Incredible Hulk (voz)
Clark Gregg … Agent Phil Coulson
Jenny Agutter … Female council member
Walter Perez … Shield Pilot
Rashmi Rustagi … Woman in Calcutta
Evan Kole … Joey
Kimberly J. Mahoney … Limo Driver
Joti Nagra … Waitress
Nate Paige … New York Pedestrian
Robert P. Thitoff … Gala Patron
Shane Thompson … Pedestrian
Chris Vaina … Running Pedestrian