Materials and Methods:
Mila Kunis as Malka Laska (AKA Aura)
The Avengers as themselves
(Captain America, Iron Man, Thor, Hulk, Black Widow, Hawkeye)
Aaron Taylor-Johnson and Elizabeth Olsen as Pietro and Wanda Maximoff (AKA Quicksilver and Scarlet Witch)
James Spader as Ultron
All other characters played by respective actors/actresses